Johnson Service Bulletin SB-912 Revised - Gearcase Capacities

Issued February 10, 1964, this revised bulletin lists gearcase lubricant capacities for Johnson outboard models from 1949 through 1964, including 1964 engines.

Johnson Motors gray Service Bulletin letterhead

SUBJECT: GEARCASE CAPACITIES: 1949 thru 1964 engines.

Following are the gearcase capacities for engines from 1949 thru 1964.

OMC Type 'C' lubricant is now specified for all models. On models earlier than 1962 where type 'B' was previously specified and is still being used, type 'C' may be added to the 'B' without adverse affects. Do not, however, use type 'B' in the ELECTRAMATIC gearcase under any circumstances.

Factory table of horsepower, model series, year and gearcase capacity in ounces for 1949 through 1964 Johnson outboard engines

OMC TYPE 'C' lubricant is available from your Parts Distributor packaged as follows:
Standard Parts Discount applies.

378794  One gallon can (6 cans per carton)$ 3.60/gal. List price
378795  Carton of twelve - 8 oz. tubes$12.00/Ctn. List price
Johnson Motors

Robert Compton
Service Department

RC:eb

NOTE: This bulletin is already posted on the Miscellaneous Index under heading "Engine Miscellaneous". Destroy Service Bulletin No. SB-912 dated Oct. 25, 1962.

Related factory references