Johnson & Evinrude Service Bulletins — 1969 and Earlier
Browse original factory service bulletins and dealer letters with searchable technical information, dates, illustrations, factory corrections, and historical notes. More documents will be added as they are processed.
Service Bulletins (1950s)Service Bulletins (1960s)Service Promotion BulletinsDealer Letters
Service Bulletins (SB) - 1950s
Original Johnson factory technical bulletins covering engine repairs, adjustments, service tools, and replacement parts. The 1950s folder also includes the revised 1960 edition of SB-636.
| Bulletin | Title / Description |
|---|---|
| SB #488 | Adjusting Choke Solenoid PositionMay 27, 1955. Choke solenoid positioning on Model RDE after carburetor removal. |
| SB #492 | Remote Control Cable RepairAugust 20, 1955. Illustrated remote-control cable repair using assembly #376592 and special tools #304451 and #304479. |
| SB #495 | Mercury Switch Identification1955. Identification and comparison of mercury switches #376323 (RDE-17) and #376242 (RDE-16). |
| SB #504 | RD-17 Pilot Shaft and Housing AssemblyFactory guidance on rD-17 Pilot Shaft and Housing Assembly. |
| SB #507 | Remote Control Cable RepairFactory guidance on remote Control Cable Repair. |
| SB #514 | RD Exhaust Manifold GasketsFactory guidance on rD Exhaust Manifold Gaskets. |
| SB #542 | Exhaust Plate #304875Factory guidance on exhaust Plate #304875. |
| SB #543 | Installation Instructions - Plate #304880June 1, 1956 · Exhaust loading tube replacement and plate installation for QD, FD and related models. |
| SB #554 | Johnson Service Bulletin #5541950s · Factory service bulletin. |
| SB #564 | Exhaust Baffle Plate RemovalFactory guidance on exhaust Baffle Plate Removal. |
| SB #571 | The Mercury Switch Installation - RD, RDE & RJEFactory installation instructions and photograph. |
| SB #589 | Johnson Service Bulletin #5891950s · Factory service bulletin. |
| SB #590 | Upper Main Bearing Oil Seal Service - FD and RDFactory guidance for upper main bearing oil seal service and special tools. |
| SB #591 | Tool #304722 for Installing Oil Seal - Upper Journal BearingJune 4, 1957 · FD and RD series; installation steps and sleeve #376605. |
| SB #607 | Replacing Magneto Driving BeltFactory guidance on replacing Magneto Driving Belt. |
| SB #615 RE RUN | Johnson Service Bulletin 615 (Re-Run) - Key ServiceApril 22, 1959. Johnson Motors instructions for obtaining replacement ignition and starter switch keys from Stevens Experimental Company. |
| SB #617 | Shift Rod Assembly ReplacementFactory guidance on shift Rod Assembly Replacement. |
| SB #627 | Synchronizing Spark and Gas, V-50Factory guidance on synchronizing Spark and Gas, V-50. |
| SB #630 | Thermostatically Controlled Cooling SystemMarch 21, 1958 · RDS, V-4-10 and V-4S-10 cooling system and testing instructions. |
| SB #635 | Revised Water Tube Assembly - RD-19March 21, 1958 · Water tube assemblies #377060 and #377062, with serial-number applications. |
| SB #636 | Pinion Bearing Service ToolsRevised April 20, 1960. Pinion bearing removal tool #377542 and installation tool #377543 for RD, RDE and RJE engines; supersedes the 1958 edition. |
| SB #637 | Carburetor Fuel-Saver Operation and Cam Follower AdjustmentMarch 21, 1958 · V-50 series carburetor adjustment procedure. |
| SB #641 | Johnson Service Bulletin 641 - Tool for Installing Fastener 305670Issued April 4, 1958, this Johnson Motors bulletin describes a homemade screwdriver-based tool for installing nylon fasteners on RDS and V-4 engine shroud appliques. The original tool and installation photographs are reproduced below. |
| SB #644 | V-50 Twin-Barrel Carburetor AdjustmentApril 23, 1958 · Twelve-step high- and slow-speed needle adjustment procedure. |
| SB #650 | Cylinder Head Gasket Identification - RD-19 and RDS-20June 15, 1958 · Gaskets #304720 and #305206 are not interchangeable. |
| SB #651 | Connecting Rod Roller Bearing RetainersJune 15, 1958 · RDS and V-4 bearing retainer halves must remain matched. |
| SB #657 | Electrical Wiring for Lights and HornCorrected September 10, 1958. Wiring navigation lights and horn with proper fused accessory connections, ignition-switch precautions and battery polarity. |
| SB #660 | 50 HP Magneto Bracket and Bumper RedesignJune 26, 1958 · New magneto bracket service assemblies and replacement bumper. |
| SB #665 | Adjusting the V-4 CarburetorJune 27, 1958 · Ten-step adjustment procedure with three factory photographs. |
| SB #671 | Johnson Service Bulletin SB-671 - GasketsAugust 18, 1958. Johnson Motors explains the engineering and storage requirements for genuine replacement gaskets and warns dealers against using unverified aftermarket gasket sets. |
| SB #678 | Johnson Service Bulletin 678 - Water Pump ImpellerIssued October 7, 1958, this bulletin cautioned dealers against operating outboard motors without water and against rotating the engine backward by hand, either of which could damage the water pump impeller. |
| SB #680 | Johnson Service Bulletin SB-680 - Leaf Valves and StopsIssued October 23, 1958, this bulletin cautions dealers against bending leaf valves or stops and recommends replacing the stop whenever a leaf valve is replaced. |
| SB #691 | Johnson Service Bulletin 691 - Outboard Marine Lubricant Type AIssued February 4, 1959, this bulletin introduced Outboard Marine Lubricant Type A for general engine lubrication, specifically excluding gear housings. It lists the factory packaging and distributor prices. |
| SB #692 | Checking Exhaust Housing and Upper Gearcase AlignmentFebruary 9, 1959. Two methods for checking exhaust housing and upper gearcase alignment using a drill press or dial indicator. |
| SB #699 | Spark Plug Doors for 1959 MotorsMarch 11, 1959. Spark plug door changes on 35 and 50 HP shrouds; replacement straps and screws. |
| SB #703 | Johnson Service Bulletin 703 - Plastic PropellersMarch 26, 1959. Johnson Motors discusses the efficiency, durability, and hub construction of plastic and other non-metallic propellers compared with metallic propellers. |
| SB #711 | Johnson Service Bulletin 711 - Lubrication of MotorsIssued April 14, 1959, this bulletin reminds dealers to explain periodic outboard motor lubrication and OMC Lubricant Type A to their customers. |
| SB #713 | Johnson Service Bulletin SB-713 - Boat Transom HeightIssued April 22, 1959, this bulletin explains how excessive boat transom height contributes to propeller cavitation and directs dealers to the 1959 O.B.C. Standards Manual. |
| SB #718 | Securing the 10 and 18 HP Propeller NutJune 8, 1959. Proper propeller nut and cotter pin installation on 10 and 18 HP engines to prevent hub damage. |
| SB #719 (Revised) | Coil Index and Condenser CapacitiesAugust 26, 1960. Revised coil index settings and condenser capacities for Johnson magnetos tested with the Stevens analyzer. |
| SB #721 (Revised) | Service Bulletin IndexFebruary 1961. Revised instructions for organizing and maintaining the Johnson Service Bulletin Index. |
| SB #721 (Original) | Johnson Service Bulletin SB-721 - Service Bulletin IndexOriginal 1959 Johnson Service Bulletin Index for 3, 5½, 7½, 10, 15, 18, 25, 30 and 35 HP outboards. Searchable bulletin subjects, numbers, dates and factory tool references. |
| SB #723 | Center Bearing Retainer and Needle AssemblyJune 16, 1959. Center bearing retainer #302755 replaced by nylon retainer and needle assembly #377855 for FD and RD engines. |
| SB #724 | Electro Products Test EquipmentJune 3, 1959. Change in supplier and service contact for Electro Products test equipment. |
| SB #725 | Service Training School RelocationJune 9, 1959. Summer shutdown and relocation of the Johnson service training school. |
| SB #726 | Replacing Remote Control Cable Inner WireJune 17, 1959. Six-step procedure for replacing the inner wire of remote control cables. |
| SB #727 | Strengthened RD/RDS FlywheelJuly 27, 1959. Strengthened RD/RDS flywheel identified by cast letter Q; use puller #675025 rather than rim-gripping pullers. |
| SB #728 | Warranty Labor ClaimsJuly 20, 1959. Warranty labor claim submission periods, minimum payments, and settlement provisions. |
| SB #729 | Overheating and Loss of RPM - 35 HPJuly 28, 1959. Troubleshooting overheating and loss of RPM on 35 HP engines, including water pump, driveshaft seals, exhaust gases and water intake screens. |
| SB #730 | Fuel Hose Clamp and Generator InterferenceJuly 28, 1959. Fuel hose clamp #302647 may contact a generator field stud on RDE-19 through 19C engines and damage the generator. |
| SB #731 | Shift Lever Cross Shaft Assembly #378054September 17, 1959. Redesigned shift lever cross shaft assembly #378054 replacing #305553, with drilling and installation illustrations. |
| SB #732 | 1958 50 HP Carburetor ModificationsAugust 20, 1959. Parts and ten service steps for updating a 1958 Johnson 50 HP carburetor to 1959 specifications. |
| SB #733 | Fuel Tank Replacement AssembliesAugust 31, 1959. Fuel tank #377430 discontinued; replacement assemblies #592901 and #377433. |
| SB #734 | Lower Pivot Shaft Bushing Removal ToolSeptember 1, 1959. Homemade removal tool made from a 1-inch pipe plug for lower pivot shaft bushing #305265 on RDS-20 through RD/RDS-21-22 engines. |
| SB #735 | Gearcase Extension Overheating - 75 HPSeptember 16, 1959. Replacement extension casting #307179 and 3/32-inch water spray hole dimensions for V4L/V4SL-10 through 11B engines. |
| SB #736 | 75 HP Display Stands and Clamp KitSeptember 14, 1959. Display stand and clamp kit parts #378090, #378091, #377484 and #377485, with factory photographs. |
| SB #737 | Guide and Separator - OriginalSeptember 14, 1959. Original guide #307527 and separator #307525 information; later corrected by SB-737 Rev. 1. |
| SB #737 Rev. 1 | Guide and Separator - Rev. 1April 1965. Revised guide #377879 and separator #378099; supersedes original SB-737 and SB-754. |
| SB #738 | Test Wheels - 40 and 75 HPSeptember 16, 1959. Test wheel #378088 for 40 HP and #378046 for 75 HP, with warning about prolonged full-throttle test-tank operation. |
| SB #739 | Carburetor and Magneto Synchronization - 75 HPSeptember 24, 1959. Six adjustment steps for synchronizing carburetor and magneto, including 0.020-inch feeler gauge setting. |
| SB #740 | Service Department RelocationSeptember 30, 1959. Johnson Motors Service Department relocation to Plant #3, 701 Sand Street, Waukegan, Illinois. |
| SB #741 | 75 HP Transom Bracket Installation TemplateOctober 2, 1959. Transom bracket template packed inside the engine shroud carton; instructions for locating and retaining it. |
| SB #742 | Parts and Dealer Discount Corrections - Original Not Yet LocatedOctober 27, 1959. Original four-page bulletin not yet located; SB-750 identifies corrections to its part numbers and dealer discounts. |
| SB #745 | Automatic Choke Service and AdjustmentNovember 11, 1959. Eight-step troubleshooting and adjustment procedure for automatic chokes on 40 and 75 HP electric-starting engines, with four factory illustrations. |
| SB #746 | Optional Propellers - 75 HP EnginesJanuary 13, 1960. Factory 75 HP V4S propeller selection and exchange program, including optional propellers #378039 and #378040 and dealer return requirements. |
| SB #748 | Universal Flywheel Puller and Adapter KitNovember 11, 1959. Universal flywheel puller #378103 replaces discontinued #675025; adapter kit #378104 introduced. |
| SB #750 | Corrections to Service Bulletin SB-742November 20, 1959. Corrects two part numbers and four dealer-discount percentages in SB-742. |
| SB #751 | Warranty Labor ClaimsNovember 20, 1959. Warranty labor claim procedures when replacement parts are not required. |
| SB #752 | Using Universal Flywheel Puller #378103February 5, 1960. Four-step procedure for removing 40 HP flywheels using puller #378103, with factory photographs. |
| SB #753 | Auto-Lite Authorized Service StationsNovember 27, 1959. Authorized Auto-Lite service stations and dealer application form. |
| SB #754 | Corrections to SB-737December 2, 1959. Corrects part numbers #307527 and #307525 in SB-737; see also SB-737 Rev. 1. |
| SB #755 | Hard Starting After Extended StorageDecember 2, 1959. Initial starting instructions for automatic-choke engines after extended periods without use. |
| SB #756 | 75 HP Gearcase Lockwasher ChangeDecember 15, 1959. Spring lockwasher #307708 replaces external-tooth lockwasher #307161 on 75 HP gearcases; supplemented by SB-766. |
Service Bulletins (SB) - 1960s
Factory service instructions and technical corrections from the 1960s.
| Bulletin | Title / Description |
|---|---|
| SB #558 (Revised) | Timing Fixtures, Part #376969April 20, 1960. Three timing fixtures, part #376969, for setting magneto breaker points on V-4 engines. |
| SB #597 | Evinrude Starter Motor FailuresApril 3, 1963. Evinrude precautions to prevent starter motor overheating and failure. |
| SB #598 | Modified Shifter Dog - 75 HP Standard ShiftApril 3, 1963. Improved four-lug shifter dog, part #307095, for 75 HP manual-shift gearcases. |
| SB #599 | New 75 HP PropellerApril 3, 1963. Evinrude Accessories Bulletin introducing propeller #379260 and kit #379448. |
| SB #701 | Connecting Rod Needle BearingsMarch 16, 1959. Connecting rod needle bearings for QD engines, supplied in soluble-wax strips of 29. |
| SB #709 | Electric Starter Motor ArmaturesApril 9, 1959. Electric starter motor armature replacements and corresponding starter motor part numbers. |
| SB #712 | RD/RDS Powerhead ServicingApril 22, 1959. RD and RDS powerhead crankshaft and connecting rod design changes and parts identification. |
| SB #717 | Pinion Thrust Bearing and Shim AssemblyMay 5, 1959. 50 HP pinion thrust bearing change from #377138 to #377658, with bearing dimensions and gearcase supersessions. |
| SB #757 | Ordering Special Service Tools and Service LiteratureFebruary 5, 1960. Factory ordering procedures for special service tools and literature, with price lists. |
| SB #758 | Boat Bottom Fouling and Speed PerformanceJanuary 18, 1960. Explains the effects of marine growth on boat performance, with a factory chart. |
| SB #759 | OMC Type B Gearcase LubricantFebruary 5, 1960. Factory guidance on Type B gearcase lubricant, including part numbers #378111 and #378112. |
| SB #761 | Optional Propellers - 40 HP EnginesJanuary 18, 1960. Optional propeller selection and exchange instructions for RD-series 40 HP engines. |
| SB #762 | Johnson Service Bulletin SB-762 - Motor Registration and Owner Identification CardsIssued February 5, 1960, Johnson Motors reminded dealers to return factory motor registration cards and provide completed, signed owner identification cards with every new engine. |
| SB #763 | Transom Drilling Fixture #378253February 11, 1960. Drilling fixture #378253 and instructions for mounting 75 HP engines to boat transoms. |
| SB #764 | Pinion Thrust Bearing and Shim ReplacementFebruary 11, 1960. Updated 50 and 75 HP gearcase bearing and shim service instructions; related to SB-717. |
| SB #765 | Clamp Kit #378091 - 75 HP Series EnginesMarch 2, 1960. Supplement to SB-736 correcting drilling instructions for clamp kit #378091 and fixture #378253. |
| SB #766 | 75 HP Gearcase Stud and Nut TorqueMarch 21, 1960. Supplement to SB-756 specifying stud torque of 24 ft-lb and nut torque of 18 ft-lb. |
| SB #767 | Seal Puller #377067 - Double-Lip SealsMarch 14, 1960. Instructions for using seal puller #377067 on newer double-lip crankcase seals. |
| SB #769 | Modification to Upper Main Seal Installer #304722March 14, 1960. Modification to installer #304722 for double-lip seal #305937, retaining the original tool number. |
| SB #770 | Warranty PoliciesApril 4, 1960. Factory procedures for dealer warranty claims and out-of-warranty adjustments. |
| SB #771 | Flywheel Key Installation - 40 H.P. EngineMarch 14, 1960. Correct and incorrect flywheel key installation, including 100-105 ft-lb flywheel nut torque. |
| SB #772 | Carburetor Adjustments, 75 HP EnginesMarch 21, 1960. Factory adjustment procedure for the V4S-12 two-barrel carburetors, including needle settings and synchronization. |
| SB #773 | Auto-Lite A2X Spark PlugMarch 21, 1960. Auto-Lite A2X no longer recommended above 18 HP; remaining inventory for 18 HP and lower. |
| SB #775 | AC M42K Spark PlugsApril 4, 1960. AC M42K recommended for 35 to 75 HP engines; AC44W remains recommended for 18 HP and below. |
| SB #776 | Auto-Lite Warranty TagsApril 20, 1960. Supplement to SB-672 explaining Auto-Lite warranty tag form S-107 and service-station submission. |
| SB #777 | Marine Care Outboard Engine Tune-UpApril 25, 1960. Factory procedure for removing carbon, gum and varnish deposits, with precautions for engines being placed in storage. |
| SB #778 | Gearcase CapacitiesMay 19, 1960. Factory gearcase lubricant capacities for Johnson outboard model series from 1949 through 1960. |
| SB #779 | Reducing Steering EffortApril 25, 1960. Modified exhaust outlet for 1960 V-4 75 HP outboard motors. |
| SB #780 | Pinion BearingMay 10, 1960. Bearing and spacer identification, replacement instructions, and parts pricing for 75 HP V-4 engines. |
| SB #781 | Gears, 10 Through 18 H.P. EnginesMay 2, 1960. Gear and pinion service replacements and parts catalog corrections for QD and FD series engines. |
| SB #782 | Connecting RodsMay 19, 1960. Three interchangeable connecting rod versions, part #277205, for 15 HP FD-10 through FDEL-10S models. |
| SB #783 | Generator Charging Circuit Maintenance and ChecksMay 10, 1960. Factory maintenance procedures, generator voltage tests, and regulator troubleshooting charts. |
| SB #784 | OMC Type B LubricantMay 19, 1960. Johnson Motors explains its gearcase lubricant requirements and the change from reddish to black Type B lubricant. |
| SB #785 | Champion Spark PlugsJune 3, 1960. Improved Champion J4J spark plugs identified by a star on the carton; replaces earlier J4J and J4JM recommendations. |
| SB #786 | Auto-Lite Spark PlugsJune 3, 1960. Auto-Lite A21X recommended for 3 to 75 HP engines, particularly 35, 40, 50 and 75 HP. |
| SB #787-1 | Correction to SB-787 - Master Parts Price ListJune 15, 1960. Corrects the washer part number in SB-787. |
| SB #787 | Changes and Additions - Master Price ListJune 6, 1960. Parts additions, supersessions, price additions and price corrections. |
| SB #788 | Spark Plug PricesJune 22, 1960. Johnson Motors announces dealer and consumer prices for three spark plug types, including effective dates. |
| SB #789 | Water in CylindersJuly 22, 1960. Vent-hole modification for 1960 V-75 engines, including exhaust housing part 307180 and factory serial-number cutoffs. |
| SB #790 | Thermomelt Temperature StiksJuly 28, 1960. Factory instructions for checking thermostat and cooling-system operation using 125°F and 163°F temperature-indicating sticks. |
| SB #791 | Redesigned Pistons and Piston RingsJuly 1, 1960. Johnson Motors explained the updated 35 HP piston dowel pin and the replacement piston rings, including compatibility with earlier piston assemblies. |
| SB #792 | Connecting Rod Screw TorqueJuly 1, 1960. Factory torque specifications for forged-steel connecting rod screws used on 1960 and earlier Johnson engines, including five screw part numbers and three screw sizes. |
| SB #793 | Pump Housing AssemblyJuly 29, 1960. Redesigned water pump housing and vent system for thermostat-equipped 35 and 40 H.P. Johnson outboards, with updated replacement part numbers. |
| SB #794 | Overheating, Flash RemovalIssued July 29, 1960, this bulletin explains how casting flash can obstruct cooling-water passages in Johnson 40 and 75 H.P. engines. Its two photographs identify inspection points and possible restrictions. |
| SB #795 | Master Parts Price List ChangesAugust 25, 1960. Two-page factory bulletin listing newly added parts, price revisions, superseded part numbers, description changes, and parts removed from the master price list. |
| SB #796 | Overheating and Cylinder Head GasketsAugust 26, 1960. Johnson Motors outlined common cooling-system faults and emphasized replacing cylinder head gaskets after an engine has overheated. |
| SB #797 | Propeller PitchAugust 12, 1960. Factory guidance on propeller balance and pitch for 40 and 75 H.P. engines, with propeller fixture part numbers and original 1960 prices. |
| SB #798 | Boat PerformanceIssued September 2, 1960, this two-page bulletin explains the effects of marine growth and hooked hull bottoms on boat speed. The reverse side includes the original speed-loss graph and hull illustrations. |
| SB #799 | Universal Flywheel Puller Service PartsSeptember 22, 1960. Johnson published individual service parts and net prices for universal flywheel puller 378103 and adapter kit 378104 . This bulletin supplements SB-748 , citing a revision dated April 20, 1960. |
| SB #800 | Piston and Rod Assembly ServiceSeptember 22, 1960. Johnson Motors discontinued servicing complete piston and rod assemblies for currently serviced models, with an exception for 10 HP QD-series engines. |
| SB #801 | Factory Approved and Recommended Spark PlugsSeptember 28, 1960. Johnson Motors identified three factory-approved spark plugs and superseded six earlier spark plug bulletins. |
| SB #804 | Stern BracketsOctober 24, 1960. Johnson Motors describes reinforced port and starboard stern brackets for 1960 75 H.P. V4 engines and recommends replacing both brackets together when servicing older units. |
| SB #805 | Timing Marks on Modified Magneto Mounting BracketsIssued October 28, 1960, this bulletin describes revised timing marks on magneto mounting brackets for Johnson 75 H.P. V4S and V4SL engines, including the 1961 safety-switch arrangement. |
| SB #806 | Piston Ring SetsOctober 28, 1960. Johnson Motors introduced complete piston ring sets, with exceptions for KD and PO-15 series engines. The second factory page lists individual ring numbers, replacement sets, prices and model applications. |
| SB #807 | Sealing Bottom ShroudNovember 3, 1960. Johnson Motors recommended nylon plugs, part number 306656, to seal unused carrying-handle mounting holes on 40 and 75 HP outboard engines. |
| SB #808 | Generator InstallationNovember 7, 1960. Generator mounting and terminal clearance instructions for 1961 V4S and V4SL-13 outboard engines. |
| SB #809 | Johnson Paints, Primers and ThinnersIssued November 7, 1960, this bulletin lists Johnson factory paint colors, primers and thinners for 1950 through 1961 outboard engines, including dealer prices and part numbers. |
| SB #809 (Revised) | Paints, Primers and ThinnersDecember 30, 1960. This revised bulletin replaces the November 7, 1960 edition of SB-809 and reduces dealer prices for paint parts 377079, 377080, 377541 and 378406. |
| SB #810 | 10 HP Piston and Connecting Rod KitIssued November 14, 1960, this bulletin introduced replacement kit 378393 for 10 HP QD-series engines and explained how dealers should order the kit when earlier piston and connecting rod parts were unavailable. |
| SB #811 | Correct Connecting Rod InstallationIssued January 16, 1961, this bulletin explains proper piston and connecting rod orientation for 10 HP QD-series engines, with factory diagrams showing incorrect and correct assembly. |
| SB #812 | Generator KitsNovember 30, 1960. Johnson Motors explained the relocation of fuse and terminal blocks on 1961 electric-starting 40 and 75 HP engines and listed parts needed to adapt 1960 generator kits. |
| SB #813 | Alternator Equipped EnginesNovember 30, 1960. Factory guidance on the alternator-equipped Johnson 75 HP electrical system, including battery ignition, charging, junction box and tachometers. |
| SB #813 (Supplement) | Tachometers for Battery IgnitionApril 10, 1961. Johnson Motors clarified tachometer compatibility for 75 HP V4A and V4AL-13 and 13C engines equipped with alternators and battery ignition. |
| SB #814 | Fuel Pump FailuresNovember 30, 1960. Johnson explains how oil trapped in the fuel pump elbow can affect pump operation on 35 and 40 H.P. engines, and specifies a passage enlargement from 3/16 inch to 7/32 inch. |
| SB #816 | Torque ValuesIssued December 5, 1960, this five-page bulletin provides general and model-specific tightening torque specifications for Johnson outboard engines. The original specifications are reproduced below in selectable text, including both foot-pound and inch-pound values. |
| SB #817 | Transom Clamp Parts and ServiceIssued March 27, 1961, this bulletin reinstates service parts for V-75 transom clamps and explains how to remove and reinstall the clamp lockbolt and pin without damaging the threads. |
| SB #818 | 18 HP Cylinder AssembliesDecember 8, 1960. Johnson Motors explained how to distinguish cylinder assemblies 376814 and 377643, including differences in tapped mounting holes and water-jacket passages. |
| SB #819 | Suggested Motor Trade-In Allowance for 1961December 1960. Johnson Motors published suggested trade-in allowances and specifications for outboard models dating from 1948 through 1960. Values were guidelines dependent on condition and local demand. |
| SB #820 (Revised) | Shifting MechanismsIssued January 15, 1961, this revised bulletin discusses gear and clutch dog wear on 1960 and 1961 Johnson V-75 engines, proper shifting technique, and adjustment of the shift linkage. It supersedes the original December 29, 1960 bulletin. |
| SB #821 | Water in CylindersDecember 30, 1960. Troubleshooting water entering the cylinders of 1960 Johnson V-75 engines, with additional checks following SB-789. |
| SB #822 | OMC Type B LubricantDecember 19, 1960. Johnson Motors announced a reduced list price for one-gallon cans of OMC Type B gearcase lubricant while retaining the existing tube pricing. |
| SB #823 | Shroud GroupsJanuary 15, 1961. Modification of the upper engine cover hook holes on early 1961 V-75 models, including the affected production serial numbers. |
| SB #824 | Testing Battery Ignition CoilsJanuary 15, 1961. Testing ignition coil #378231 on Johnson 75 HP V4A and V4AL alternator engines using a Stevens magneto analyzer and a special resistor. |
| SB #826 | Securing Sound Blankets in ShroudsFebruary 7, 1961. Instructions for reattaching loose sound insulation inside the upper shrouds of 1961 Johnson 40 and 75 HP engines. |
| SB #827 | Timing and SynchronizationJanuary 15, 1961. Distributor timing and carburetor synchronization procedures for Johnson 75 HP V4A and V4AL alternator engines, illustrated with factory photographs. |
| SB #828 | 1961 Master Price List ChangesFebruary 6, 1961. Factory additions, superseded parts, price adjustments and corrections to the 1961 Johnson Master Price List. |
| SB #829 | Ignition Coil Index CorrectionFebruary 28, 1961. Corrects the Stevens tester index setting for ignition coil #580243 on Johnson 50 and 75 HP engines, supplementing SB-825. |
| SB #830 | Strengthened FlywheelFebruary 28, 1961. Steel-hub flywheel changes for Johnson 1959 35 HP and 1960-1961 40 HP RD-series engines, including inspection guidance and puller instructions. |
| SB #831 | Charging BatteriesFebruary 28, 1961. Supplement to SB-813 warning against reversed battery charger connections on alternator-equipped engines and resulting rectifier, fuse and regulator damage. |
| SB #832 | Alternator Charging Circuit TroubleshootingMarch 15, 1961. Electrical troubleshooting and test procedures for the battery, regulator, rectifier, field winding and stator on 75 HP V4A and V4AL alternator engines. |
| SB #833 | Starter and Generator Mounting StudsMarch 27, 1961. Replacement of mounting capscrews with studs for electric starter and generator brackets on Johnson 40 HP RDS and RDSL engines. |
| SB #834 | Shift Link Lever BreakageMarch 27, 1961. Safe removal of the shift link lever and screw assembly on Johnson 50 and 75 HP V4 engines to prevent lever breakage. |
| SB #835 | Special Flywheel Puller ScrewsMarch 27, 1961. this bulletin supplements SB-799 and explains the special puller screws required for alternator-equipped 75 HP engines. |
| SB #836 | Alternator Voltage Regulator TroubleshootingMarch 27, 1961. Supplement to SB-832 describing sharp charging-current drops caused by jammed voltage regulators on Johnson 75 HP alternator engines. |
| SB #837 (Unconfirmed) | Historical Scan - Possible SB-837April 10, 1961. Unnumbered tachometer supplement to SB-813, bearing a handwritten "837" identification that remains unverified. The complete scan is preserved as a historical placeholder. |
| SB #838 | Rough Idling TroubleshootingApril 21, 1961. Systematic fuel, ignition, carburetor and mechanical checks for rough or poor idling on Johnson 40 and 75 HP engines. |
| SB #839 | Special Pinion Bearing PullerApril 28, 1961. Johnson introduced special puller assembly 378445 for removing pinion bearings on 40, 50 and 75 HP outboard engines, with separately available puller jaws. |
| SB #840 | Pinion Bearing PullerApril 28, 1961. Instructions for using puller 378445 on 40, 50 and 75 H.P. outboard gearcases. |
| SB #841 | Revised Special Tool Order FormsApril 21, 1961. Johnson announced two special tool order forms and identified four tools awaiting availability. |
| SB #842 | 1961 Gearcase Lubricant CapacitiesApril 21, 1961. Gearcase oil capacities and specified lubricants for 1961 Johnson outboards from 3 through 75 HP, with references to earlier factory guidance. |
| SB #843 | 1961 Master Price List ChangesApril 28, 1961. Johnson parts additions, price revisions, supersessions, deletions and corrections to the 1961 Master Price List. |
| SB #844 | Testing Ignition Coil #378231April 28, 1961. Procedure for testing coil #378231 on Johnson 75 HP alternator engines using an older Stevens Coil and Condenser Tester without a special adapter. |
| SB #845 | Gearcase Leakage PreventionMay 11, 1961. Sealing procedures, specified sealers and fastener guidance to prevent gearcase leaks on Johnson 5½ through 50 HP engines. |
| SB #846 | Special Powerhead WrenchMay 10, 1961. this bulletin describes an offset wrench for removing powerheads on 10 HP QD and QDL-20 engines and includes the original Snap-on order form. |
| SB #847 | Johnson and Auto-Lite Generator Parts Cross-ReferenceJune 1, 1961. Six-page cross-reference of Johnson and Auto-Lite 12-volt generator components for 35, 40, 50 and 75 HP outboard engines. |
| SB #848 | Electric StartersJune 1, 1961. Johnson Motors published a cross-reference for Johnson and Auto-Lite 12-volt starter motor parts used on 18, 35, 40, 50, and 75 HP engines. The factory exploded illustration and detailed parts cross-reference follow the introductory page. |
| SB #849 | Stevens AT-100 Circuit AnalyzerJune 5, 1961. Johnson Motors announced the Stevens AT-100 electrical circuit analyzer for troubleshooting outboard charging and ignition systems. |
| SB #850 | Stevens' Flywheel Holder S-17June 9, 1961. Johnson described the longer strap available for the Stevens S-17 flywheel holder and provided pricing and ordering instructions. |
| SB #851 | Radio Interference Suppression KitsJune 9, 1961. this bulletin announces radio interference suppression kits for magneto-equipped 35, 40, 50 and 75 HP engines, with applications and original list prices. |
| SB #852 | Engine Hour Meter ConnectionsJune 12, 1961. this bulletin explains how to connect a Hobbs engine hour meter to ignition switches on selected 40 and 75 HP Johnson outboards, distinguishing magneto-equipped and alternator-equipped models. |
| SB #853 | Exhaust Gas Induction and Rough IdlingJune 28, 1961. Troubleshooting full-throttle RPM loss and rough idling caused by exhaust gases entering the carburetor on 35, 40, 50 and 75 H.P. engines. |
| SB #854 | Champion Resistor Spark PlugJune 28, 1961. Johnson announced the Champion XJ4J resistor spark plug, part 378631, approved for 35 and 40 H.P. outboards equipped with magneto radio suppression kit 378484. |
| SB #855 | Warranty on Canadian Johnson EnginesJune 28, 1961. this Johnson Motors bulletin announced reciprocal warranty service arrangements for Canadian and United States Johnson outboard engines, allowing owners to obtain service while traveling across the border. |
| SB #856 | Radio Noise Suppression Kit #378700June 28, 1961. Johnson Motors announced an accessory kit designed to suppress ignition and alternator radio interference on 75 H.P. alternator-equipped engines. |
| SB #857 | Connecting Rod ChangesAugust 10, 1961. Johnson announced revised connecting rods for early 1961 40 and 75 H.P. outboards, with updated 12-point cap screws and a 29-31 ft-lb torque specification. |
| SB #858 | Auto-Lite Spark Plug Price ChangeAugust 10, 1961. this bulletin changes the price of the Auto-Lite A21X spark plug and supersedes the Auto-Lite portion of SB-788. |
| SB #859 | Cotter Pin ChangeAugust 10, 1961. this bulletin describes the revised cotter pin used on V-75 propeller nuts. Both old and new versions carry part number 307244, but Johnson specified the larger new pin for V-75 engines to reduce movement and breakage. |
| SB #860 | Needle Bearing Assembly Grease #378642August 16, 1961. Johnson Motors announced four-ounce tubes of needle bearing assembly grease, available directly from Stevens Experimental Company for connecting rod and similar bearing assembly work. |
| SB #861 | Ignition SystemsIssued August 25, 1961, this two-page bulletin introduces condenser 580422 and provides coil and condenser testing specifications for 1949 through 1961 engines. Page 2 retains the original technical chart as a high-resolution image to preserve numerical accuracy. |
| SB #862 | Overchoking on Cold StartsAugust 25, 1961. Troubleshooting and throttle cam adjustment instructions for 1961 Johnson 75 HP V-75 engines. The three factory photographs show the normal cam setting, the recommended adjustment, and the full-throttle check. Related: revised bulletin | correction memorandum | |
| SB #863 | Overheating V-75 EnginesIssued August 25, 1961, this bulletin addresses overheating in 75 HP V-75 engines caused by exhaust gases entering the cooling system at the rear gearcase stud. It explains replacement hardware and an interim sealing procedure. |
| SB #864 | Nylon Starter Rope ServiceAugust 25, 1961. Johnson Motors standardized replacement manual starter ropes to two basic diameters and provided cutting lengths for earlier rope part numbers, covering engines from 1956 onward. |
| SB #865 | Optional Propeller #593437September 8, 1961. Johnson Motors introduced an optional 9½ x 10 inch propeller for V-75 outboard engines, designed to help maintain recommended full-throttle RPM with heavier boat loads. |
| SB #866 | Trim Band Installation ToolAugust 25, 1961. Johnson introduced special tool 378482 for installing engine-cover trim bands on specified 1961 40 and 75 H.P. outboard models. The original five-photo installation procedure is reproduced below. |
| SB #867 | Radio Noise Suppression KitsSeptember 8, 1961. Johnson describes four radio interference suppression kits for magneto and alternator-equipped outboard engines, including applications, prices and line-filter guidance. |
| SB #868 | Lower Motor Cover Rubber MountsIssued September 15, 1961, this service bulletin explains replacement of lower motor cover support rubber mounts on specified Johnson 10, 18, and 28 HP engines. It warns against applying excessive leverage to the lower cover. |
| SB #869 | Piston and Connecting Rod AssembliesOctober 17, 1961. Johnson Motors discontinued servicing certain 10 H.P. QD piston and connecting rod kits and introduced individual replacement parts with wrist pin needle bearings. The bulletin lists standard, .020 oversize, and .040 oversize components. |
| SB #870 | Prevention of Piston StickingOctober 17, 1961. Johnson recommended a molybdenum-disulfide-containing Marinecare fogging oil treatment for specified new, replacement, and overhauled powerheads on 40 and 75 H.P. outboards. The original factory instructions and cautions are reproduced below for historical reference. |
| SB #871 | Propellers for 1962 EnginesOctober 17, 1961. Johnson describes 1962 propeller changes for 28, 40 and 75 HP engines, including standard and electric-shift applications and part numbers. |
| SB #873 | Service Literature and Parts Catalog RackIssued October 25, 1961, this bulletin announced revised service manual prices and changes to ordering the Johnson illustrated parts catalog rack. |
| SB #874 | Fuel Filter ChangeOctober 17, 1961. Johnson Motors introduced fuel filter assembly #378576 and explained replacement requirements for earlier 5½, 18 and 35 H.P. outboard models, including individual service parts and list prices. |
| SB #875 | Propeller Straightening Fixture ModificationsOctober 24, 1961. Johnson explained how to modify special propeller straightening fixtures 376934 and 376951 to prevent interference with propeller blades. The original two-page bulletin and its before-and-after photographs are reproduced below. |
| SB #875-A | Propeller Straightening Fixture ModificationMarch 19, 1963. Johnson describes a 5/16-inch radius modification to propeller straightening fixture 377537, with before-and-after factory photographs. |
| SB #876 | High-Speed Carburetor Nozzle - 40 HPOctober 24, 1961. Longer high-speed nozzle #308956 versus #307166 for 1961 RD and RDS 40 HP engines, with installation instructions. |
| SB #877 | OMC Type C LubricantFactory guidance on oMC Type C Lubricant. |
| SB #878 | Mounting 40 HP Electramatic EnginesOctober 24, 1961. Modified transom plate #378955 and special clamp for mounting 1962 40 HP Electramatic engines. |
| SB #879 | Rubber Spaghetti SealsDecember 13, 1961. Gearcase spaghetti seals consolidated into 50-foot roll #309044, with cutting instructions referenced in SB-845. |
| SB #880 | Propeller Torque Fixture Assembly, Part #378448December 13, 1961. Propeller torque fixture #378448 for testing rubber slip clutches on 10 through 75 HP propellers. |
| SB #881 | Propeller SpecificationsFactory guidance on propeller Specifications. |
| SB #882 | Rear Carrying HandleDecember 13, 1961. Rear carrying handle kit #378931 offered for 1962 40 and 75 HP engines. |
| SB #883 | Coil InsulatorsFactory guidance on coil Insulators. |
| SB #884 | Electric Shift Test Tank SwitchDecember 27, 1961. Electric-shift test-tank switch for 40 and 75 HP Electramatic engines. |
| SB #885 | Coil and Condenser SpecificationsDecember 15, 1961. Coil index settings, condenser capacities, and test specifications for 1962 engines. |
| SB #886 | Water in CylindersDecember 26, 1961. Water in cylinders caused by an omitted exhaust tube gasket on certain V-50 and V-75 engines. |
| SB #887 | Paints, Primers, and ThinnersJanuary 24, 1962. Factory paint colors, primer, thinner, transfer solution and part numbers for 1950-1962 models. Replaces revised SB-809. |
| SB #888 | Three-Piece Flywheels (Original)Johnson Motors SB-888: three-piece flywheels for early 1962 40 HP engines, parts and catalog corrections. |
| SB #888 (Revised) | Three-Piece Flywheels (Revised)March 28, 1962. Revised three-piece flywheel instructions for early 1962 40 HP engines, including corrected parts-catalog numbers. |
| SB #889 | Common PartsJanuary 24, 1962. Johnson announced consolidation of identical parts previously assigned different numbers because of paint color. |
| SB #890 | Testing CoilsFebruary 14, 1962. Coil and condenser tester specifications, including engine model and switch-setting table. |
| SB #890 (Revised) | Ignition Coil Testing - RevisedNovember 7, 1962. Revised coil-testing specifications and part-number table for 1949-1963 engines. Replaces SB-890 dated February 14, 1962. |
| SB #891 | Accessory Throttle ControlFebruary 19, 1962. Stevens S-25 removable throttle control for testing and adjusting remote-control outboards. |
| SB #892 | Suggested Motor Trade-In Allowances for 1962January 1962. Original two-page factory trade-in value and engine specifications charts for 1949-1961 outboards. |
| SB #893 | Gearcase Head Bearing Puller #378447March 21, 1962. Gearcase head bearing puller #378447 and instructions for 75 HP V4 engines. |
| SB #894 | Gearcase Roller Bearing Race Puller and InstallerMarch 23, 1962. Gearcase roller bearing race puller #378450 and installer #378449 for 75 HP engines. |
| SB #894 (Supplement) | Corrected Tool Order FormApril 18, 1962. Corrects SB-894 order form: erroneous #378445 is replaced by puller #378450 and tool descriptions are corrected. |
| SB #895 | Driver Handle and Bearing InstallersMarch 21, 1962. Driver handle #378737 and pinion bearing installer assembly #378446, including individual installer part numbers. |
| SB #896 | Driveshaft SupportMarch 28, 1962. Driveshaft support #302552 eliminated on later 1962 RD models; service identification guidance. |
| SB #897 | Master Parts Price List ChangesMay 10, 1962. Factory additions, price corrections, and a description correction to the Master Parts Price List effective March 1, 1962. |
| SB #898 | Carburetor Jet ScrewdriversIssued May 10, 1962, this Johnson Motors bulletin describes screwdriver shank and blade requirements to prevent damage when removing or replacing fixed carburetor jets. |
| SB #899 | Fuel PumpsMay 21, 1962. Johnson Motors explained why complete fuel pump assembly #378805 replaced individual servicing of fuel pump #377927 on selected 5½, 10 and 18 H.P. engines. |
| SB #900 | D.C. Generator Current CouplerFactory guidance on d.C. Generator Current Coupler. |
| SB #901 | 1962 Engine Torque SpecificationsMay 21, 1962. General fastener torque guidance and model-specific powerhead and lower-unit specifications for 1962 Johnson outboard engines. |
| SB #901 REV 2 | Johnson Service Bulletin SB-901, Revision 2 - Torque Tension ChartSeptember 1964. Factory torque specifications for Johnson outboard engines from 1962 through 1965. This revision replaces SB-901 Revision 1, dated February 15, 1964. The detailed torque charts on pages two and three are preserved as high-resolution images to protect the accuracy of their numerical specifications. |
| SB #902 | Test WheelsFactory guidance on test Wheels. |
| SB #903 | Clamping Cutout Switch HoseFactory guidance on clamping Cutout Switch Hose. |
| SB #904 | Shift MechanismsFactory guidance on shift Mechanisms. |
| SB #905 | GearcasesFactory guidance on gearcases. |
| SB #906 | Tempo PaintsJune 8, 1962. Tempo paint colors for repairing 1962 Electramatic remote control boxes. |
| SB #906 (Rev.) | Tempo Paints (Revised)June 8, 1962. Revised bulletin replacing the May 28 issue. Corrected Tempo paint numbers for Electramatic remote control boxes are 5603 and 5704, both charcoal gray |
| SB #907 | Adjustable Needle Valve KitFactory guidance on adjustable Needle Valve Kit. |
| SB #908 | Fuel Tank HosesFactory guidance on fuel Tank Hoses. |
| SB #909 | Needle Bearing Assembly Grease (1962 Original)June 13, 1962. Original Johnson Service Bulletin SB-909 dated , covering needle bearing assembly grease part 378642, with factory illustration |
| SB #909 | Needle Bearing Assembly GreaseJune 19, 1963 · Stevens needle-bearing assembly grease, part #378642. Factory designation SB-909. |
| SB #909 REV 1 | Johnson Service Bulletin SB-909 Rev. #1 - Needle Bearing Assembly GreaseIssued March 1965, this revision replaces the June 19, 1963 bulletin and describes Johnson part 378642, a grease formulated to hold loose needle bearings during engine assembly. |
| SB #910 | Remote Control CablesFactory guidance on remote Control Cables. |
| SB #911 | Loctite Sealant, Grade DJune 21, 1962. Loctite Grade D sealant instructions for Electramatic gearcases and removal precautions. |
| SB #912 REV 3 | Johnson Service Bulletin SB-912 Rev. 3 - Gearcase CapacitiesOctober 1965. Factory gearcase capacities for 1949 through 1966 Johnson engines and OMC Type C lubricant packaging. The original capacity table is preserved as a high-resolution image to protect numerical accuracy. |
| SB #912 REV 4 | Johnson Service Bulletin SB-912 Rev. 4 - Gearcase CapacitiesIssued December 1966, this revision lists gearcase lubricant capacities for Johnson outboards from 1949 through 1967. The original numerical table is retained as a high-resolution factory reproduction to protect model and capacity accuracy. |
| SB #912 REVISED 1964 | Johnson Service Bulletin SB-912 Revised - Gearcase CapacitiesIssued February 10, 1964, this revised bulletin lists gearcase lubricant capacities for Johnson outboard models from 1949 through 1964, including 1964 engines. |
| SB #913 | Electramatic Gearcase Disassembly and AssemblyAugust 13, 1962. Six-page Electramatic gearcase service procedure with disassembly, clutch and gear assembly instructions. |
| SB #914 | Crankcase DrainsAugust 13, 1962. Red ink identification of revised crankcase drain valve plate and screen assemblies. |
| SB #915 | Throttle Control Shaft WearAugust 24, 1962. Factory guidance on throttle-control shaft wear and replacement parts. |
| SB #916 | Venturi Locating Gauge 3792421962. Venturi locating gauge #379242, with factory illustrations and special-tool ordering information. |
| SB #917 | Piston Ring Compressing ToolsAugust 25, 1962. Piston ring compressing tools for 28, 40, 50 and 75 HP engines, with ordering information. |
| SB #918 | Upper Crankshaft Seal ToolsAugust 25, 1962. Upper crankshaft seal puller #379239 and installer #309914 for 28 and 40 HP engines. |
| SB #919 | Upper Gearcase Bearing ToolsAugust 29, 1962. Upper gearcase needle-bearing removal and installation using tools #309916 and #309915; bronze bushing interchangeability warning. |
| SB #920 | Torque Shaft 379238August 30, 1962. Propeller hub torque testing with torque shaft #379238 and fixture #378448. |
| SB #922 | Bearing Race Puller #379246September 26, 1962. Johnson introduced a special bearing race puller for 40 HP electric-shift engines, with an illustrated four-step procedure and original tool pricing. |
| SB #923 | Electro-Magnet Puller Jaw SetSeptember 26, 1962. Instructions for adapting puller jaw set 379241 to puller assembly 378450 and removing the forward electro-magnet from 40 and 75 HP electric shift engines. |
| SB #924A | Electramatic Cable ConnectorsMarch 19, 1963. This supplement to SB-924 announces separate availability of the switch-plate cable connector and terminals for 40 and 75 H.P. Electramatic engines. |
| SB #924 | Johnson Service Bulletin 924 - Loose ConnectorsIssued October 10, 1962, this bulletin describes proper engagement of the nylon connectors between the remote control box lead and wiring harness on 40 and 75 H.P. Electramatic engines. |
| SB #925 | Electro-Magnet and Bearing Race Installer SetOctober 25, 1962. Johnson introduced a set of six separately ordered tools for installing the front propeller-shaft bearing race and front electro-magnet on 40 and 75 H.P. electric-shift engines. |
| SB #926 | Carburetor Float Hinge RepairOctober 25, 1962. V-50 and V-75 carburetor float-hinge repair using self-tapping screws #309650 in place of drive screws #160089. |
| SB #927 | Puller Jaw Set ModificationNovember 15, 1962. Instructions for modifying puller jaw set #379241 to prevent jaw-tip breakage when removing 75 HP Electro-Magnets. |
| SB #929 | Distributor Drive Pulley ScrewsDecember 6, 1962. Johnson Motors recommended Loctite Grade D on the three distributor drive pulley screws used on V4A alternator engines, together with a specified tightening torque. The original factory photographs and instructions are reproduced below. |
| SB #930 | Modified Carburetor LinkageJanuary 10, 1962. Factory instructions for the modified throttle linkage on 10 H.P. QD-23A and later engines, including carburetor and magneto synchronization. |
| SB #932 | Johnson Service Bulletin SB-932 - Rawhide Hammer for Propeller BladesJanuary 7, 1963. Johnson recommended a #3 rawhide hammer for straightening and re-pitching bent propeller blades, available from Stevens Experimental Company. |
| SB #933 | Johnson Service Bulletin SB-933 - Idle Adjustment for 28 and 40 HP EnginesIssued January 7, 1963, this bulletin provides Johnson's factory-recommended procedure for adjusting idle speed and carburetor mixture on 28 and 40 horsepower outboard engines. It explains the effects of lean mixtures and... |
| SB #934 | Johnson Service Bulletin SB-934 - Chrome Plated Water PumpsJanuary 14, 1963. Johnson Motors explained why chrome plated water pump housing covers may have different surface finishes, and confirmed that both are acceptable. |
| SB #935 | Johnson Service Bulletin SB-935 - Accessory Fuel Pump KitJanuary 14, 1963. Johnson introduced accessory fuel pump kit 379027 for its 1963 3 H.P. outboards, allowing operation from a remote six-gallon fuel tank instead of the integral tank. |
| SB #936 | Johnson Service Bulletin SB-936 - Starter Drive AssembliesJanuary 14, 1963. Identifies the noninterchangeable starter drive assemblies used on 75 HP V4S and V4A engines and specifies starter drive nut tightening requirements. |
| SB #937 | Johnson Service Bulletin SB-937 - Spark Plug Fouling, Bottom CylinderIssued January 14, 1963, this Johnson bulletin explains how a sagging crankcase-to-cylinder drain hose can cause oil accumulation and spark plug fouling in cylinder No. 4 on V-75 engines. The factory photograph illustrates the... |
| SB #939 | Johnson Service Bulletin SB-939 - New Style Fuel Pump HoseJanuary 21, 1963. Johnson Motors introduced a strengthened crankcase-to-fuel-pump hose for V-50 and V-75 engines and specified the associated clamp and protective spring. |
| SB #939 REPLACEMENT 1965 | Johnson Service Bulletin SB-939 - New Style Crankcase-to-Fuel-Pump HoseIssued April 1965, this replacement bulletin describes a reinforced crankcase-to-fuel-pump hose for Johnson V-50 and V-75 engines, identifying the hose, clamps, and protective spring used for installation. |
| SB #939A | Johnson Service Bulletin SB-939A - Correction to SB-939Issued June 12, 1963, this bulletin corrects the application of the crankcase-to-fuel-pump hose in SB-939. The instruction applies only to 1961 and later V-75 H.P. engines. |
| SB #940 SUPPLEMENT | Johnson Service Bulletin SB-940 - Propeller Torque Fixture RepairFebruary 6, 1963. Supplement to SB-880 and SB-920 explaining repair of broken torque shaft pins in propeller torque fixtures 378455 and 379238. |
| SB #941 | Johnson Service Bulletin SB-941 - Shorted Ignition SystemsFebruary 11, 1963. Johnson describes a lower motor cover ventilation modification to reduce water spray entering the ignition area on 18 H.P. FD-16 through FD-17M engines. |
| SB #942 | Johnson Service Bulletin SB-942 - Distributor Washer #309927February 11, 1963. Installation of steel washer 309927 in V4A distributors to prevent pulley movement and ignition timing problems, with an eight-step procedure and a parts catalog correction. |
| SB #943 | Johnson Service Bulletin SB-943 - 1963 75 HP Wiring DiagramIssued February 22, 1963, this bulletin documents the addition of a 20-amp fuse to the 1963 V4A and V4AL-15 alternator-equipped 75 HP engines. The fuse protects the wiring but, if blown, also disables the ignition and starter... |
| SB #944 | Johnson Service Bulletin SB-944 - Remote Control CablesFebruary 22, 1963. Johnson Motors explained how to identify and install newer and current remote control cables in manual and electric shift control boxes, including trunnion caps and split spacer requirements. |
| SB #945 | Johnson Service Bulletin SB-945 - Torquing Cylinder Head BoltsMarch 6, 1963. Johnson explains the importance of tightening cylinder head bolts in the correct sequence to distribute gasket compression evenly and prevent cylinder head distortion. |
| SB #946 | Johnson Service Bulletin SB-946 - Insulator Sleeve for Electramatic EnginesMarch 21, 1963. Four-page factory bulletin covering Silver-Flex shift lead insulation, installation procedures for 40 and 75 HP engines, and affected engine serial numbers. |
| SB #947 | Johnson Service Bulletin SB-947 - Electric Shift Lead BurningMarch 11, 1963. This three-page bulletin addresses overheating of electric shift cable 378535 on 1962 and 1963 75 HP Electramatic outboards. Johnson describes a cooling-water spray hole and Silver-Flex insulating sleeve to... |
| SB #949 | Johnson Service Bulletin SB-949 - Prevention of Starter Motor FailuresIssued April 5, 1963, this factory bulletin explains overheating of starter motors on pre-1963 engines and outlines six checks to prevent prolonged cranking. |
| SB #950 | Johnson Service Bulletin SB-950 - Dual Electramatic Remote Control ScrewApril 5, 1963. Johnson announced the availability of a long stainless steel mounting screw for dual Electramatic remote control box installations on 40 and 75 HP outboards. |
| SB #951 | Johnson Service Bulletin SB-951 - Modified Shifter DogApril 5, 1963. Johnson Motors describes an improved four-lug shifter dog, service part #307095, for 75 H.P. outboard gearcases. |
| SB #952 | Johnson Service Bulletin 952 - Optional Propeller and Propeller KitIssued April 16, 1963, this bulletin introduced an optional 10 × 9¼-inch propeller and a matching hardware kit for certain 75 H.P. Johnson outboards. It describes the required installation hardware, thrust washer, and operating speed recommendations. |
| SB #953 | Johnson Service Bulletin SB-953 - New Drain Valve Plate and GasketIssued April 15, 1963, this bulletin explains the redesigned drain valve plate and gasket for RX-11A, RD-25D, RDS-25D and RK-25D engines, with original factory comparison photographs. |
| SB #954 | Johnson Service Bulletin SB-954 - 75 HP Leaf Valve ServiceIssued May 10, 1963, this bulletin announced that individual leaf valve components for certain V-75 engines would be discontinued as distributor stock ran out. Johnson instructed dealers to use complete leaf valve assembly 377889 instead. |
| SB #955 | Johnson Service Bulletin SB-955 - Junction Box Assembly #377680Issued May 3, 1963, this bulletin announced the reinstatement of a surplus junction box assembly for certain electric-start Johnson outboards, with limited stock available through Parts Distributors. |
| SB #957 | Johnson Service Bulletin 957 - New Motors with .020" Oversize Cylinder BoresIssued June 8, 1963, this bulletin explains the occasional shipment of new factory engines with .020-inch oversize cylinder bores, the OS identification code, and service replacement requirements. |
| SB #958 | Johnson Service Bulletin SB-958 - Modified Reverse Lock LeverFactory instructions for updating the reverse lock release mechanism on 1960-1963 V-75 engines, including six original illustrations and the replacement parts list. |
| SB #958 A | Johnson Service Bulletin SB-958A - Reverse Lock Lever Repair KitSeptember 16, 1963. Johnson introduced repair kit 379804, combining six reverse lock lever repair components for specified 75 HP V4S and V4A engines. |
| SB #959 | Johnson Service Bulletin SB-959 - Use of #304789 Shock AbsorberIssued June 12, 1963, this bulletin explains when starter drive shock absorber #304789 is required on 28 and 40 H.P. electric starting engines, comparing Auto Lite and Delco Remy starter motors. |
| SB #960 | Johnson Service Bulletin SB-960 - Fuel Pump Diaphragm RuptureIssued June 21, 1963, this bulletin introduced a larger nylon inner spring support for certain Johnson fuel pumps to help prevent diaphragm damage. It also identifies symptoms of diaphragm failure and affected engines. |
| SB #961 | Johnson Service Bulletin SB-961 - Rubber Tipped Carburetor Float ValveIssued June 20, 1963. Original two-page Johnson Motors bulletin documenting rubber-tipped carburetor float valves, engine applications, and proper float-level adjustment. |
| SB #962 | Johnson Service Bulletin SB-962 - Obsolete Service BulletinsIssued July 1, 1963, this four-page factory index identifies service bulletins whose information was transferred to service manuals, special tool catalogs, and the master price list. Each listed bulletin number has its own linkable anchor for... |
| SB #962 REV 1 | Johnson Service Bulletin SB-962 Rev. 1 - Obsolete Service BulletinsIssued November 1965. Five searchable factory pages. Each bulletin entry has a direct link anchor, such as SB-869 . Entries retain the original factory publication references. |
| SB #962 REV 2 | Johnson Service Bulletin 962 Revision 2 - Obsolete Service BulletinsIssued December 1966, this six-page index lists obsolete Johnson service bulletins and identifies where their technical information could subsequently be found. Each listed bulletin has its own searchable entry and link. |
| SB #963 | Johnson Service Bulletin SB-963 - Excessive Dowel Pin HeightJuly 10, 1963. Factory guidance on checking and correcting the forward gear bearing dowel pin height in replacement gearcases for 18 HP engines. |
| SB #964 | Johnson Service Bulletin SB-964 - OMC Accessories Engine CleanerIssued August 15, 1963, this bulletin introduced a twelve-step procedure for removing gum and varnish deposits from outboard engine pistons and cylinders without dismantling the powerhead. The factory also specified rust preventative treatment... |
| SB #965 | Johnson Service Bulletin SB-965 - OMC Accessories Rust PreventativeIssued August 15, 1963, this Johnson Motors bulletin describes the uses of OMC Accessories Rust Preventative, procedures for protecting engines in storage, and original product packaging and prices. |
| SB #966 | Johnson Service Bulletin SB-966 - Loss of Engine Performance Due to Clogged Fuel FilterIssued August 15, 1963, this bulletin explains how gum and varnish deposits can restrict the "Tea Bag" fuel filter after storage and recommends seasonal replacement. |
| SB #967 | Johnson Service Bulletin SB-967 - Replacement Self-Threading ScrewAugust 15, 1963. Factory instructions for replacing nameplate and remote control box emblem drivescrews with self-threading screw 308873. |
| SB #968 | Johnson Service Bulletin SB-968 - Shorted Ignition SystemsIssued August 15, 1963, this bulletin describes a factory correction for water spray entering the lower powerhead area of Johnson 10 HP QD-23 through QD-24B outboards. The eight-step procedure uses the original three illustrated views. |
| SB #969 | Johnson Service Bulletin SB-969 - Sealing Motor Mount to Adaptor PlateIssued August 15, 1963, this factory bulletin explains the use of Sealer 1000 when reinstalling motor mount part 377292 on Johnson V-4 engines. |
| SB #970 | Johnson Service Bulletin 970 - OMC Accessories Break-In LubricantIssued August 15, 1963, this bulletin revised the application instructions for OMC Accessories break-in lubricant containing molybdenum disulfide. It also cautioned against using the product as an assembly lubricant. |
| SB #971 | Johnson Service Bulletin SB-971 - Electro-Static Ground Plate KitAugust 15, 1963. Factory bulletin illustrating new and corroded sacrificial ground plates, inspection guidance, and original kit and replacement pricing. |
| SB #972 | Johnson Service Bulletin SB-972 - Screened Vent Holes in the Ignition DistributorIssued August 15, 1963, this bulletin explains the purpose, inspection, and replacement of screened vent openings in V-4 magneto and battery ignition distributors. |
| SB #973 | Johnson Service Bulletin SB-973 - Adjustable High Speed Needle Valve KitJohnson Motors introduced adjustable high-speed needle valve kit #379627 for 3 H.P. JW-18R outboards to improve high-altitude carburetor adjustment. The factory bulletin describes installation and its original price. |
| SB #974 Rev. 1 | Johnson Service Bulletin SB-974 Rev. 1 - Restrictor Plate and Gasket Assembly 381649 |
| SB #975 | Johnson SB-975 - Engines Jumping Out of Gear and Ignition Fuse Blowing |
| SB #976 | Johnson Service Bulletin SB-976 - Propeller Identification |
| SB #977 | Johnson Service Bulletin SB-977 - Tilt Assist Spring |
| SB #978 | Johnson Service Bulletin SB-978 - Loss of R.P.M. - 3 H.P. Engines |
| SB #979 | Johnson SB-979 - Screwdriver 379664 |
| SB #980-A | Johnson Service Bulletin SB-980-A - Break-In Procedure for Replacement Powerheads |
| SB #980 | Johnson Service Bulletin SB-980 - Engine Break-in Procedures for 1964 |
| SB #981 | Johnson Service Bulletin SB-981 - Terminal and Sleeve Assembly 379645 |
| SB #982 Rev. 1 | Johnson SB-982 Rev. 1 - Orifice Plug (High Speed Jet) Chart |
| SB #982 Rev. 2 | Johnson SB-982 Rev. 2 - Orifice Plug (High Speed Jet) Chart |
| SB #982 | Johnson SB-982 - Orifice Plug (High Speed Jet) Chart - 1963 |
| SB #983 | Johnson Service Bulletin SB-983 - Piston Ring Compressors |
| SB #984 | Johnson SB-984 - Special Tools for Gearcase Disassembly |
| SB #985 | Johnson Service Bulletin SB-985 - Greasing the 1964 3 H.P. Swivel Bracket |
| SB #987 | Johnson Service Bulletin SB-987 - Location of Fuel Line Primer Bulb |
| SB #988 | Johnson Service Bulletin SB-988 - Carburetor Cam Follower Roller 310354 |
| SB #989 | Johnson SB-989 - 90 HP Slow Speed Needle Adjustment |
Service Promotion Bulletins (SPB)
| Bulletin | Title / Description |
|---|---|
| SPB #200 | A Mobile Motor Hoist for Many UsesApril 25, 1959 · Two-page factory promotion of a mobile motor hoist for lifting, displaying and storing larger outboards. |
| SPB #201 | Steam Cleaning of Outboard MotorsAn electrically heated steam cleaner for preparing outboard motors for shop repairs. |
| SPB #205 | A Mobile Motor Dolly for Display Floor and Open Boat YardA wheeled outboard-motor display and transport dolly with a stabilizing bracket. |
| SPB #206 | New - An Arbor PressMay 9, 1958 · Two-page factory promotion of an arbor press for V-50 crankshaft and propeller shaft bearing service. |
| SPB #207 | A Motor SlingMay 26, 1958 · Motor lifting slings for V-50, RDS and RD models with original supplier order form. |
| SPB #209 | A Fuel Tank ModificationA dual-purpose shop test tank for pressurized and fuel-pump outboard fuel systems. |
| SPB #210 | A Boat Rack for Display and RepairA space-saving boat rack used for showroom display and repair work. |
| SPB #213 | A Chemical Parts CleanerJune 13, 1958 · Mechanical parts-cleaning equipment for outboard motor repair shops. |
| SPB #214 | Oil and Scum Accumulation — Test TankA simple screen skimmer for removing oil and scum from an outboard test tank. |
| SPB #215 | A Boaters Tool KitA roll-up assortment of tools promoted for boat, motor and trailer maintenance. |
| SPB #217 | Off-Season Activity (Winter Repair & Storage)September 2, 1958 · Two-page winter repair and storage checklist covering ignition, fuel, propellers, fogging and more. |
| SPB #221 | A Low Cost Battery ChargerJanuary 6, 1959 · A compact 6–12 volt battery charger offered to outboard owners. |
| SPB #222 | Marprox — Rubber CementMarprox rubber cement for installing outboard motor-cover rubber grommets. |
| SPB #223 | Motor Cover (Fiberglass) Patching KitsJanuary 8, 1959 · Two-page 1959 fiberglass motor cover repair kits, materials and historical prices. |
| SPB #230 | A Hose Clamp PlierMarch 12, 1959 · Kent-Moore X8404 spring-wire hose clamp pliers for outboard motor service. |
| SPB #241 | Off Season ActivityDealer work-order forms for winter storage, repair and reconditioning of boats and motors. |
| SPB #244 | Paint Spraying - Portable Equipment (Sprayit 400)December 22, 1959 · Two-page Sprayit 400 portable paint sprayer specifications, applications and supplier prices. |
| SPB #251 | A Glaze BusterJune 6, 1960 · Factory discussion of cylinder glaze and Snap-On CF-60C Glaze Buster for bore preparation. |
| SPB #252 | A Utility Small Parts CabinetMay 20, 1960 · Small-parts storage cabinet with plastic drawers for service shops and sales counters. |
| SPB #254 | Men at Ease - A Time SaverMay 19, 1960 · Boat-loading davit and hoist installation used by a Florida Johnson dealer. |
| SPB #255 | Reminder - Pitch Blocks, for a Better Job of ServiceJune 10, 1960 · Propeller pitch accuracy, sample customer letter, and 18 factory pitch-block applications and prices. |
| SPB #257 | Accessory Sales for Extra ProfitJune 6, 1960 · Accessory Sales for Extra Profit. Original Johnson factory service bulletin. |
| SPB #262 | Shop PlanningJune 27, 1960 · Shop Planning. Original Johnson factory service bulletin. |
| SPB #267 | You've Got to Show to SellDecember 16, 1960. Johnson Motors dealer display and promotion guidance. |
| SPB #268 | A Mobile Rigging CabinetDecember 16, 1960 · A Mobile Rigging Cabinet. Original Johnson factory service bulletin. |
| SPB #269 | A Bench Mounted Tool CabinetDecember 16, 1960 · A Bench Mounted Tool Cabinet. Original Johnson factory service bulletin. |
| SPB #270 | A Fuel Tank Storage RackDecember 16, 1960 · A Fuel Tank Storage Rack. Original Johnson factory service bulletin. |
| SPB #271 | A Grease Gun - Swivel Bracket and Shift LeverJanuary 12, 1961 · A Grease Gun - Swivel Bracket and Shift Lever. Original Johnson factory service bulletin. |
| SPB #274 | A Check on Fuel Tank PressureFebruary 23, 1961 · A Check on Fuel Tank Pressure. Original Johnson factory service bulletin. |
| SPB #275 | A Johnson Recommended Shop Tool Kit (JM-82B)March 6, 1961 · A Johnson Recommended Shop Tool Kit (JM-82B). Original Johnson factory service bulletin. |
| SPB #276 | A Pressurized Hypoid Oil Filler - GearcaseMarch 15, 1961 · A Pressurized Hypoid Oil Filler - Gearcase. Original Johnson factory service bulletin. |
| SPB #277 | Ignition Coil Locating RingApril 10, 1961 · Ignition Coil Locating Ring. Original Johnson Motors service promotion bulletin. |
| SPB #278 | A Model Motor Test CellApril 20, 1961 · A Model Motor Test Cell. Original Johnson Motors service promotion bulletin. |
| SPB #280 | Promotional ServiceApril 21, 1961 · Promotional Service. Original Johnson Motors service promotion bulletin. |
| SPB #281 | Fuel Tank RefinishingApril 28, 1961 · Fuel Tank Refinishing. Original Johnson Motors service promotion bulletin. |
| SPB #284 | Boat Care - For a ProfitMay 18, 1961 · Boat Care - For a Profit. Original Johnson Motors service promotion bulletin. |
| SPB #285 | Available ServicesJune 5, 1961 · Available Services. Original Johnson Motors service promotion bulletin. |
| SPB #286 | A Time Saver - Paint Spraying CabinetJune 8, 1961 · A Time Saver - Paint Spraying Cabinet. Original Johnson Motors service promotion bulletin. |
| SPB #287 | Adjusting and Synchronizing Breaker Points - Model V-4 MagnetoJune 9, 1961 · Adjusting and Synchronizing Breaker Points - Model V-4 Magneto. Original Johnson Motors service promotion bulletin. |
| SPB #288 | The V-4 Alternator - Supplements to Model V-4 Service ManualDecember 13, 1961 · The V-4 Alternator - Supplements to Model V-4 Service Manual. Original Johnson Motors service promotion bulletin. |
| SPB #289 | A First Aid Kit for BoatersJune 9, 1961 · A First Aid Kit for Boaters. Original Johnson Motors service promotion bulletin. |
| SPB #290 | Why a Test Wheel for Tank and Dockside TestingJune 15, 1962 · Why a Test Wheel for Tank and Dockside Testing. Original Johnson Motors service promotion bulletin. |
| SPB #292 | A Motor Wash DownJune 15, 1961 · A Motor Wash Down. Original Johnson Motors service promotion bulletin. |
| SPB #293 | Off-Season Activity — PreparationJune 14, 1961 · Off-Season Activity — Preparation. Original Johnson Motors service promotion bulletin. |
| SPB #294 | Service Is SellingJuly 21, 1961 · Service Is Selling. Original Johnson Motors service promotion bulletin. |
| SPB #295 | Bring It Up Front — ServiceJuly 21, 1961 · Bring It Up Front — Service. Original Johnson Motors service promotion bulletin. |
| SPB #297 | Now — A Fuel Tank Pump for Your Off-Season ActivityNovember 7, 1962 · Now — A Fuel Tank Pump for Your Off-Season Activity. Original Johnson Motors service promotion bulletin. |
| SPB #298 | Paint Spraying for Off-Season and Resale Activity (Revised)June 19, 1963 · Paint Spraying for Off-Season and Resale Activity (Revised). Original Johnson Motors service promotion bulletin. |
| SPB #300 | A Deep Socket for Connecting Rod Screw #308186June 19, 1963 · A Deep Socket for Connecting Rod Screw #308186. Original Johnson Motors service promotion bulletin. |
| SPB #301 | A Non-Seize Sealing Compound for Outboard Tune-Up and RepairDecember 7, 1961 · A Non-Seize Sealing Compound for Outboard Tune-Up and Repair. Original Johnson Motors service promotion bulletin. |
| SPB #303 | A Pre-Mix Fuel for Outboard MotorsDecember 13, 1961 · A Pre-Mix Fuel for Outboard Motors. Original Johnson Motors service promotion bulletin. |
| SPB #304 | You've Got to Show to SellDecember 27, 1961 · You've Got to Show to Sell. Original Johnson Motors service promotion bulletin. |
| SPB #305 | A Spark CheckerJanuary 24, 1962 · A Spark Checker. Original Johnson Motors service promotion bulletin. |
| SPB #307 | A Motor Stand with Rotating Head — ImprovedMarch 29, 1963 · A Motor Stand with Rotating Head — Improved. Original Johnson Motors service promotion bulletin. |
| SPB #308 | The Tachometer — RPM CounterJuly 11, 1962 · The Tachometer — RPM Counter. Original Johnson Motors service promotion bulletin. |
| SPB #310 | ViseApril 11, 1962 · Vise. Original Johnson Motors service promotion bulletin. |
| SPB #311 | A Universal Press — Bench InstalledAugust 28, 1963 · A Universal Press — Bench Installed. Original Johnson Motors service promotion bulletin. |
| SPB #312 | The Tried and Convicted PropellerApril 11, 1962 · The Tried and Convicted Propeller. Original Johnson Motors service promotion bulletin. |
| SPB #313 | The Electramatic Gearshift (Revised)May 12, 1962 · The Electramatic Gearshift (Revised). |
| SPB #315 | Tune-Ups and RepairsApril 25, 1962. Johnson guidance on returning replaced parts to customers. |
| SPB #316 | Torque TensionsApril 25, 1962 · Torque Tensions. |
| SPB #317 | A Rigging CradleMay 8, 1962 · A Rigging Cradle. |
| SPB #319 | A Journeyman’s Stock RoomMay 18, 1962 · A Journeyman’s Stock Room. |
| SPB #320 | Why a Pre-Mix Fuel for Outboard MotorsSeptember 7, 1962 · Why a Pre-Mix Fuel for Outboard Motors. |
| SPB #321 | Off-Season Activity — Promotional ServiceSeptember 30, 1963 · Off-Season Activity — Promotional Service. |
| SPB #326 | Air Dry Lacquers — TEMPO Spray Paint (1965 Revision)May 1965 · Air Dry Lacquers — TEMPO Spray Paint (1965 Revision). |
| SPB #326 (Revised) | Air Dry Lacquers - TEMPO Spray Paint (Revised)March 16, 1964 · Revised paint bulletin with application charts and color references. |
| SPB #327 | Drill Fixture — Water Pump Housing ScrewsOctober 1, 1963 · Drill Fixture — Water Pump Housing Screws. |
| SPB #328 | #519 Zirc Ram ToolJanuary 10, 1963 · #519 Zirc Ram Tool. |
| SPB #330 | Adjustable Spanner Wrench1963 · Adjustable Spanner Wrench. |
| SPB #331 | A Pre-Season Trailer/Boat Tune-UpFebruary 1963 · A Pre-Season Trailer/Boat Tune-Up. |
| SPB #332 | A Pre-Season Motor Tune-UpFebruary 25, 1963 · Original Johnson Motors service promotion bulletin with searchable text and factory illustrations. |
| SPB #333 | A Practical Inspection Light for Tight PlacesMarch 21, 1963 · Original Johnson Motors service promotion bulletin with searchable text and factory illustrations. |
| SPB #335 | Service Manual (V4 Series) — Second EditionMarch 1963 · Original Johnson Motors service promotion bulletin with searchable text and factory illustrations. |
| SPB #336 | Overboard Motors — SubmersionApril 3, 1963 · Original Johnson Motors service promotion bulletin with searchable text and factory illustrations. |
| SPB #337 | DuPont Block — Moisture and Corrosion ControlApril 5, 1963 · Original Johnson Motors service promotion bulletin with searchable text and factory illustrations. |
| SPB #338 | Time Saving Tools — For a Profit in the ShopApril 10, 1963 · Original Johnson Motors service promotion bulletin with searchable text and factory illustrations. |
| SPB #339 | An Extra Profit Maker for the Outboard Marina — Dry and/or Dock SideApril 16, 1963 · Original Johnson Motors service promotion bulletin with searchable text and factory illustrations. |
| SPB #340 | Marine Growth FoulingApril 29, 1963 · Original Johnson Motors service promotion bulletin with searchable text and factory illustrations. |
| SPB #341 | Universal Junction Box S-28May 2, 1963 · Original Johnson Motors service promotion bulletin with searchable text and factory illustrations. |
| SPB #342 | The Tachometer — RPM CounterJune 6, 1963 · Original Johnson Motors service promotion bulletin with searchable text and factory illustrations. |
| SPB #343 | Merc-O-Tronic Magneto AnalyzerJune 10, 1963 · Original Johnson Motors service promotion bulletin with searchable text and factory illustrations. |
| SPB #344 | Torque Wrench — Jo-LineJune 17, 1963 · Original Johnson Motors service promotion bulletin with searchable text and factory illustrations. |
| SPB #345 | Thermomelt Temperature StiksJuly 1, 1963 · Temperature-indicating sticks for checking thermostat operation. |
| SPB #346 | The Stevens Ignition Analyzer - MC-751963 · Five-station ignition testing instrument. |
| SPB #347 | Junction Box Spray ShieldJuly 8, 1963 · Spray shield for V-75 alternator junction boxes. |
| SPB #348 | Diagnosis and Trouble ShootingJuly 12, 1963 · Factory diagnostic booklet announcement for dealers. |
| SPB #350 | Space Saving Floor Stand (Revised)March 31, 1964 · Floor stand for lower-unit and powerhead repairs; supplement to SPB #338. |
| SPB #351 | Ongaro MK-35 Fuel Flowmeter - Tachometer Test LabOctober 31, 1963 · Portable fuel-flow and engine RPM test equipment with fuel-consumption figures. |
| SPB #351 Rev. 1 | Ongaro MK-35 Fuel Flowmeter - Tachometer Test Lab (Rev. 1)April 1965 · Revised test lab with expanded applications and trade-in offer. |
| SPB #352 | Procedure for Preparing Shop Lay-Out PlansJanuary 20, 1964 · Shop floor-plan diagrams, equipment layout and workshop planning. |
| SPB #355 | Modifications - S-28 Universal Junction BoxNovember 8, 1963 · Important 1964 ignition-system modifications; refers to SPB #341. |
| SPB #357 | Do-It-Yourself Holding ToolJanuary 27, 1964 · Homemade tool for holding the V-4 starter Bendix drive. |
| SPB #358 | Time Saving Service ToolsFebruary 24, 1964. Factory service promotion bulletin 358: 2-1/16 inch hole saw, bearing scraper, Allen bit and connecting rod deep socket |
| SPB #358 (Rev.) | Time Saving Service Tools (Revised)June 1965 revised Johnson Motors SPB 358, time saving service tools including hole saw, bearing scraper, tube cutter, half-moon wrench and connecting rod socket. |
| SPB #359 | Supplements - First Edition V-4 Series Service ManualMarch 17, 1964. Johnson Motors SPB 359: how to identify required 1960, 1961 and 1962-63 supplements to the first edition V-4 service manual |
| SPB #360 | How Come? Johnson 75 HP vs 90 HPMarch 16, 1964. Factory service promotion bulletin 360 explaining why 75 HP and 90 HP V4 outboards have the same bore, stroke and displacement but different power and propeller performance |
| SPB #361 | Two Year WarrantyMarch 17, 1964. Factory service promotion bulletin 361 explaining the two-year outboard motor warranty and thirteen exclusions |
| SPB #362 | Time Saving Service ToolsApril 8, 1964. Johnson SPB 362: starter spring winding tool and shift rod connector aligning tool, with original photos and instructions |
| SPB #363 | Metal Edge Parts StorageApril 6, 1964. Factory service promotion bulletin 363: Metal Edge parts-storage drawers, tray sizes, set numbers and original prices |
| SPB #364 | Stevens S-34 Gearcase Leakage TesterJune 2, 1964 · Pressure tester for detecting gearcase leaks. |
| SPB #365 | Stevens Service EquipmentFactory service equipment bulletin. |
| SPB #366 | Supar Sucker for Crankcase DrainingJune 16, 1964. Factory service promotion bulletin 366, : Supar Sucker model 4668 crankcase oil draining pump by Peters and Russell |
| SPB #367 | 1962-63 Supplement V-4 ManualAugust 10, 1964. Factory service promotion bulletin 367, , announces the 1962-63 V-4 Service Manual Supplement, part 6263SV |
| SPB #368 | Key Service - Johnson Ignition and Starter SwitchAugust 24, 1964. Factory service promotion bulletin 368, , replacement key ordering instructions for Johnson ignition and starter switches |
| SPB #369 | Test Wheel Identification ChartOctober 19, 1964 · Identifying test wheels by dimensions and engine applications. |
| SPB #370 | 90 HP Johnson Service ManualJohnson 90 HP service manual announcement. |
| SPB #372 | Stevens SA-10 Electric Shift AdapterElectric shift testing adapter. |
| SPB #373 | 9½ HP Johnson Service ManualJohnson 9½ HP service manual announcement. |
| SPB #374 | Propeller Pitch BlocksRevised pitch-block information and factory chart. |
| SPB #375 | Corrections to 9½ HP Service ManualCorrections to the manual referenced in SPB #373. |
| SPB #376 | Kent-Moore Terminal Removal ToolFactory terminal removal tool. |
| SPB #377 | Time and Labor Saving Shop EquipmentJune 1965 · Bob Kerr marine shop holding tools, engine stands, and service equipment. |
| SPB #378 | Tempo Multiple Fuel Tank ConnectorTempo multiple fuel tank connector and components. |
| SPB #379 | Liquid Neoprene Rubber AvailableJuly 1965 · Neoprene Tire Shield for marine service. |
| SPB #381 Rev. 1 | Metal Edge Parts StorageApril 1966 · Revised parts storage cabinets, drawer layouts, and prices. |
| SPB #382 | Johnson Outboard Motor Service Manual ProgramApril 1966 · Factory service manual program and dealer information. |
| SPB #383 | Tempo Spray Paint for 1966 Johnson OutdrivesMay 1, 1966 · Factory-approved paints for outdrives, trailers and engines. |
| SPB #384 | Transfer Solution for Decal ApplicationFactory decal application instructions. |
| SPB #385 | Fast, Efficient Carbon RemovalAugust 1966 · Pneumatic carbon removal method, equipment costs, and break-even analysis. |
| SPB #386 | Tank Testing the 1967 100 HP EngineTank testing information; related to SPB #341. |
| SPB #388 | Johnson Factory Approved Tempo Spray Paints for 1967Factory paint colors and part numbers. |
| SPB #390 | 1967 Johnson Outboard Service Manual SupplementService manual supplement and original order form. |
| SPB #391 | SA-11 Electric Shift AdapterStevens electric shift adapter with factory illustration. |
| SPB #392 | Two Year WarrantyMarch 10, 1967 · Johnson two-year warranty terms and exclusions. |
| SPB #393 | Warranty ServiceApril 1967 · Warranty service, water pump maintenance, and off-season storage. |
| SPB #394 | One-Day Cylinder Reboring ServiceCylinder reboring service and equipment. |
| SPB #395 | Johnson Parts Reference GuideApril 1967 · Parts reference guide, service charts, and carburetor repair kits. |
| SPB #396 | Merc-O-Tronic Capacitor Discharge AdaptorAugust 1967 · Model 55-980 C.D.A. ignition coil testing adaptor. |
| SPB #397 | Tempo Spray Paint #6609 - Dead Grass GreenAugust 1967 · Camouflage paint for duck-hunting outboards. |
| SPB #398 | Service Repair FormsOctober 1967 · Johnson service repair forms, part #304943, and original pricing. |
| SPB #399 | OMC Accessories Engine CleanerDecember 1967 · Engine cleaner, part numbers 171699 and 171702. |
| SPB #400 | OMC Accessories Rust PreventativeDecember 1967 · Rust preventative, part numbers 171701 and 171703. |
| SPB #401 | STA-BIL Gasoline StabilizerJanuary 1968 · Gasoline storage and fuel-system protection. |
| SPB #402 | Johnson Outboard Ignition Key BlanksIgnition key blank cross-reference. |
| SPB #404 | 1968 Outboard Motor Service ManualsService manual availability and ordering. |
| SPB #405 | Service Repair Forms and Warranty Form ImprinterFactory forms and imprinter; references SPB #398. |
| SPB #406 | Service Manual BinderFactory service manual binder and storage system. |
| SPB #408 | Adapters for Stevens Engine Test EquipmentApril 1968 · SA-68 and CD-1 test adapters. |
| SPB #409 | A Companion Service Bulletin BinderJune 1968 · Service bulletin binder, part JS-4317, and original $4.00 price. |
| SPB #410 | New 20-inch Capacity Parts Catalog RackJuly 1968 · Parts catalog rack and index inserts. |
| SPB #411 | Something New Has Been Added!October 1968 · Blue dye introduced in Johnson 50-1 oil. |
| SPB #412 | Metal Edge Parts StorageNovember 1968 · Revised parts storage system, illustrated configurations, and factory prices. |
| SPB #415 | Liquid Neoprene P/N 315417February 1969 · Terminal block protection and sealing. |
| SPB #416 | STA-BIL Gasoline StabilizerFebruary 1969 · Updated fuel stabilizer sizes and pricing. |
| SPB #417 | Johnson Work Order and Warranty Form ImprinterFebruary 1969 · Warranty form imprinter, part #383054, and historical purchase plans. |
| SPB #419 | OMC Accessories Engine CleanerMarch 1969 · Engine cleaner, part numbers 171699 and 171702. |
| SPB #420 | OMC Accessories Rust PreventativeMarch 1969 · Rust protection, part numbers 171701 and 171703. |
| SPB #421 | New Adapters for Stevens Engine Test EquipmentMarch 1969 · SA-69 adapter and AT-69 test ammeter. |
| SPB #422 | 1969 Outboard Motor Service ManualsApril 1969 · Service manuals and binders. |
| SPB #423 | Tempo Spray Paint and Johnson Quart Cans of Paint for 1969April 1969 · Outboard and snowmobile paint part numbers. |
| SPB #425 | Stevens Neon Tester #S-70June 1969 · C.D. ignition pulse-pack and amplifier tester. |
Dealer Letters (DL)
Original Johnson Motors dealer communications, including service updates, factory corrections, warranty information, and dealer instructions.
| Letter | Title / Description |
|---|---|
| DL #35 | Junction Box Assemblies for Test Tank UseDecember 29, 1960. Johnson test-tank junction box assemblies. |
| DL #91 | Warranty on Dealer Demonstrator MotorsDealer correspondence concerning warranty on Dealer Demonstrator Motors. |
| DL #92 | Extra-Length Remote Control CablesDealer correspondence concerning extra-Length Remote Control Cables. |
| DL #94 | Silver Gray Paint for Remote Controls and Junction BoxesDealer correspondence concerning silver Gray Paint for Remote Controls and Junction Boxes. |
| DL #96 | Correction to DL-94 - Silver Gray Paint Part NumberDealer correspondence concerning correction to DL-94 - Silver Gray Paint Part Number. |
| DL #97 | Remote Control Cable PricingDealer correspondence concerning remote Control Cable Pricing. |
| DL #100B | Shipping Damage ClaimsDealer correspondence concerning shipping Damage Claims. |
| DL #101B | Recommended Parts Stock List - DU, CU and HU EnginesDealer correspondence concerning recommended Parts Stock List - DU, CU and HU Engines. |
| DL #102 | Break-In Instructions and Fuel-Mixture Warning StickersDealer correspondence concerning break-In Instructions and Fuel-Mixture Warning Stickers. |
| DL #102B | Stern Drive Parts-Stocking ProgramDealer correspondence concerning stern Drive Parts-Stocking Program. |
| DL #103B | Twin Outboard Installation on Johnson 17-Foot BoatsDealer correspondence concerning twin Outboard Installation on Johnson 17-Foot Boats. |
| DL #104B | Trailer Winch Stands and Shipping InspectionDealer correspondence concerning trailer Winch Stands and Shipping Inspection. |
| DL #105B | Corrections to 150 HP Service ManualDealer correspondence concerning corrections to 150 HP Service Manual. |
| DL #106B | Recommended Dealer Parts Stock for Boats and TrailersDealer correspondence concerning recommended Dealer Parts Stock for Boats and Trailers. |
| DL #107 | Sharp Corners on 9½ HP Control PanelDealer correspondence concerning sharp Corners on 9½ HP Control Panel. |
| DL #108 | Remote Control Adaptor Kit for 1964 MQ-10Dealer correspondence concerning remote Control Adaptor Kit for 1964 MQ-10. |
| DL #109B | Trailer Towability and Hitch RecommendationsDealer correspondence concerning trailer Towability and Hitch Recommendations. |
| DL #110 | Johnson Dealer Letter #110 - Service Parts for OMC Four-Cycle Stern DrivesDealer correspondence concerning service Parts for OMC Four-Cycle Stern Drives. |
| DL #110B | Johnson Dealer Letter #110B - Hitches, Trailers and Tow CarsDealer correspondence concerning hitches, Trailers and Tow Cars. |
| DL #111 | Johnson Dealer Letter #111 - Warranty on Four Cycle Stern Drive EnginesDealer correspondence concerning warranty on Four Cycle Stern Drive Engines. |
| DL #112 | Johnson Dealer Letter #112 - Model MQ (9½ HP) Motor CoverDealer correspondence concerning model MQ (9½ HP) Motor Cover. |
| DL #115 | Johnson Dealer Letter #115 - Correction to Service Bulletin #SB-1011Dealer correspondence concerning correction to Service Bulletin #SB-1011. |
| DL #116 | Johnson Dealer Letter #116 - 18 H.P. Engines Produced with .020 Oversize Cylinder Bores Without Being IdentifiedDealer correspondence concerning 18 H.P. Engines Produced with .020 Oversize Cylinder Bores Without Being Identified. |
| DL #117 | Johnson Dealer Letter #117 - Important Warranty InformationDealer correspondence concerning important Warranty Information. |
| DL #117A | Johnson Dealer Letter #117A - Supplement to Warranty Parts Credit ProgramDealer correspondence concerning supplement to Warranty Parts Credit Program. |
| DL #117R | Johnson Dealer Letter #117R - Important Warranty Information (Revised October 1964)Dealer correspondence concerning important Warranty Information (Revised October 1964). |
| DL #118 | Johnson Dealer Letter #118 - Warranty Parts Credit Voucher ProceduresDealer correspondence concerning warranty Parts Credit Voucher Procedures. |
| DL #119 | Johnson Dealer Letter #119 - CORRECTION TO THE JOHNSON ACCESSORY BROCHUREDealer correspondence concerning cORRECTION TO THE JOHNSON ACCESSORY BROCHURE. |
| DL #120 | Johnson Dealer Letter #120 - Service Parts Return ProgramDealer correspondence concerning service Parts Return Program. |
| DL #121 | Johnson Dealer Letter #121 - Johnson and OMC Boat, Trailer and Stern Drive Service PartsDealer correspondence concerning johnson and OMC Boat, Trailer and Stern Drive Service Parts. |
| DL #123 | Johnson Dealer Letter #123 - ORDERING OF SPECIAL SERVICE TOOLSDealer correspondence concerning oRDERING OF SPECIAL SERVICE TOOLS. |
| DL #124 | Johnson Dealer Letter #124 - Chrome Pump Housing KitsDealer correspondence concerning chrome Pump Housing Kits. |
| DL #125 | Johnson Dealer Letter #125 - Help Us Speed up Service To YouDealer correspondence concerning help Us Speed up Service To You. |
| DL #126 | Johnson Dealer Letter #126 - Where Should You Send Warranty Parts & Labor ClaimsDealer correspondence concerning where Should You Send Warranty Parts & Labor Claims. |
| DL #127 | Johnson Dealer Letter #127 - Clarification of the Parts Return ProgramDealer correspondence concerning clarification of the Parts Return Program. |
| DL #130 | Johnson Dealer Letter #130 - 1965 Optional Propeller ProgramDealer correspondence concerning 1965 Optional Propeller Program. |
| DL #131 | Johnson Dealer Letter #131 - Powerhead Exchange Program DiscontinuedDealer correspondence concerning powerhead Exchange Program Discontinued. |
| DL #132 | Johnson Dealer Letter #132 - Certificate for Remote Control Cable - Electramatic EnginesDealer correspondence concerning certificate for Remote Control Cable - Electramatic Engines. |
| DL #133 | Johnson Dealer Letter #133 - Correction to DL-132 - Electramatic Remote Control Cable CertificateDealer correspondence concerning correction to DL-132 - Electramatic Remote Control Cable Certificate. |
| DL #135 | Johnson Dealer Letter #135 - Important Warranty InformationDealer correspondence concerning important Warranty Information. |
| DL #137 | Johnson Dealer Letter #137 - New Combination Parts and Labor Claim FormsDealer correspondence concerning new Combination Parts and Labor Claim Forms. |
| DL #139 | 1966 Johnson Boat Fuel Tank Ventilation and Coast Guard InspectionDealer correspondence concerning 1966 Johnson Boat Fuel Tank Ventilation and Coast Guard Inspection. |
| DL #140 | Johnson Dealer Letter #140 - Hitches, Trailers and Tow CarsDealer correspondence concerning hitches, Trailers and Tow Cars. |
| DL #141 | 1966 Johnson 100 HP V4ML-12 15-Inch Transom Conversion Kit Warranty WarningDealer correspondence concerning 1966 Johnson 100 HP V4ML-12 15-Inch Transom Conversion Kit Warranty Warning. |
| DL #142B | 1966 Johnson Surfer 15-Gallon Auxiliary Fuel Tank Part 977410Dealer correspondence concerning 1966 Johnson Surfer 15-Gallon Auxiliary Fuel Tank Part 977410. |
| DL #143 | 1966 Johnson Outboard Service Manual Program - SPB #382 ReminderDealer correspondence concerning 1966 Johnson Outboard Service Manual Program - SPB #382 Reminder. |
| DL #147 | 1967 Johnson Outboard and Stern Drive Parts Catalogs - Monthly Price SupplementsDealer correspondence concerning 1967 Johnson Outboard and Stern Drive Parts Catalogs - Monthly Price Supplements. |
| DL #149 | 1967 Johnson 40 HP Steering Bracket Replacement - #313024 to #313225Dealer correspondence concerning 1967 Johnson 40 HP Steering Bracket Replacement - #313024 to #313225. |
| DL #153 | Johnson Motors Service and Warranty Responsibilities for Outboards, Boats and Stern DrivesDealer correspondence concerning johnson Motors Service and Warranty Responsibilities for Outboards, Boats and Stern Drives. |
| DL #154 | 1964-1965 Johnson 90 HP Champion UJ-4J Spark Plug Discontinuation and Return CreditDealer correspondence concerning 1964-1965 Johnson 90 HP Champion UJ-4J Spark Plug Discontinuation and Return Credit. |
| DL #156 | Johnson Storage Battery Information and the Charger Bulletin SeriesDealer correspondence concerning johnson Storage Battery Information and the Charger Bulletin Series. |
| DL #158 | Johnson Dealer Letter #158 - SE-16 Warranty Claim InstructionsDealer correspondence concerning sE-16 Warranty Claim Instructions. |
| DL #161 | 1967 Johnson Factory Service Labor Rate Raised to $8 per Hour and Cylinder Reboring PricesDealer correspondence concerning 1967 Johnson Factory Service Labor Rate Raised to $8 per Hour and Cylinder Reboring Prices. |
| DL #162 | 1967 Johnson Service Training Representatives and Their Territories - DL-162Dealer correspondence concerning 1967 Johnson Service Training Representatives and Their Territories - DL-162. |
| DL #163 | 1967 Johnson BIA Marine Service Manual of Recommended Practices - DL-163Dealer correspondence concerning 1967 Johnson BIA Marine Service Manual of Recommended Practices - DL-163. |
| DL #164 | 1967 Johnson Motors Service Training School Summer Vacation - DL-164Dealer correspondence concerning 1967 Johnson Motors Service Training School Summer Vacation - DL-164. |
| DL #165 | 1967 Johnson Instrument Cable Assemblies 17-Foot to 21-Foot Exchange - DL-165Dealer correspondence concerning 1967 Johnson Instrument Cable Assemblies 17-Foot to 21-Foot Exchange - DL-165. |
| DL #167 | 1967 Johnson GT-115 Motor Cover Paint Colors and Tempo Numbers - DL-167Dealer correspondence concerning 1967 Johnson GT-115 Motor Cover Paint Colors and Tempo Numbers - DL-167. |
| DL #168 | 1967 Johnson Stern Drive Design Advantages - DL-168Dealer correspondence concerning 1967 Johnson Stern Drive Design Advantages - DL-168. |
| DL #171 | 1968 Johnson Outboard Parts Catalog Prices - DL-171Dealer correspondence concerning 1968 Johnson Outboard Parts Catalog Prices - DL-171. |
| DL #172 | 1968 Johnson 55 HP Parts Catalog Corrections and Emergency Starter Rope - DL-172Dealer correspondence concerning 1968 Johnson 55 HP Parts Catalog Corrections and Emergency Starter Rope - DL-172. |
| DL #174 | 1968 Johnson Outboard Special Tool Package 383479 - DL-174Dealer correspondence concerning 1968 Johnson Outboard Special Tool Package 383479 - DL-174. |
| DL #178 | 1968 Johnson Instrument Cable Assemblies 21-Foot Exchange - DL-178Dealer correspondence concerning 1968 Johnson Instrument Cable Assemblies 21-Foot Exchange - DL-178. |
| DL #180 | 1968 Johnson Warranty Coverage, Rejection Codes and Claim Procedures - DL-180Dealer correspondence concerning 1968 Johnson Warranty Coverage, Rejection Codes and Claim Procedures - DL-180. |
| DL #181 | 1968 Johnson Warranty Claim Filing and Telephone Procedures - DL-181Dealer correspondence concerning 1968 Johnson Warranty Claim Filing and Telephone Procedures - DL-181. |
| DL #182 | Johnson GT Exhaust Deflector Plate #314849 Prohibited in APBA-OPC Racing - DL-182Dealer correspondence concerning johnson GT Exhaust Deflector Plate #314849 Prohibited in APBA-OPC Racing - DL-182. |
| DL #186 | 1967-1969 Johnson Instrument Cable Assemblies and 21-Foot Exchange Chart - DL-186Dealer correspondence concerning 1967-1969 Johnson Instrument Cable Assemblies and 21-Foot Exchange Chart - DL-186. |
| DL #187 | Johnson Warranty Claims Require Dealer Code Numbers - DL-187Dealer correspondence concerning johnson Warranty Claims Require Dealer Code Numbers - DL-187. |
| DL #190 | 1969 Johnson 85 and 115 HP Gearcase Ratio Correction - 13:26 - DL-190Dealer correspondence concerning 1969 Johnson 85 and 115 HP Gearcase Ratio Correction - 13:26 - DL-190. |
| DL #191 | 1969 Johnson Cylinder Reboring Rate Increase and Tachometer Correction - DL-191Dealer correspondence concerning 1969 Johnson Cylinder Reboring Rate Increase and Tachometer Correction - DL-191. |
| DL #192 | 1969 Johnson Area Service Managers and Their Territories - DL-192Dealer correspondence concerning 1969 Johnson Area Service Managers and Their Territories - DL-192. |
| DL #194 | Johnson vs Michigan Wheel Bazooka Hub Propellers - 1969 Comparison - DL-194Dealer correspondence concerning johnson vs Michigan Wheel Bazooka Hub Propellers - 1969 Comparison - DL-194. |
| DL #198 | Corrections to the 1969 Johnson Parts Reference GuideDealer correspondence concerning corrections to the 1969 Johnson Parts Reference Guide. |
| DL #200 | Remote Control Cable Assembly Exchange - 1970 Johnson OutboardsDealer correspondence concerning remote Control Cable Assembly Exchange - 1970 Johnson Outboards. |