Johnson Service Bulletin SB-868 - Lower Motor Cover Rubber Mounts

Issued 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.

Johnson Motors Service Bulletin letterhead
September 15, 1961
Bulletin No. SB-868 Shroud Groups
SUBJECT: Replacement of #377582 rubber mounts - lower motor cover support. 10 h.p. QD (L)-20 thru 23, 18 h.p. FD (L)-13 thru 16, 28 h.p. RX (L)-10C
PROCEDURE TO REMOVE RUBBER MOUNTS:
1. Remove all rubber mount nuts (8) #302103 and lockwashers (8) #306799.
2. Starting with starboard rear mount, raise lower cover up so maximum clearance is obtained and remove mount, then remove both front mounts in same manner.
3. To remove rear port mount carefully insert large screwdriver, or other lever, between lower cover and exhaust housing flange and deflect cover upward until mount can be removed. CAUTION - TOO MUCH PRESSURE WILL DAMAGE COVER.
4. When installing mounts, use the same procedure as was used for removal, except, start with the rear, port mount.
5. Lockwashers and nuts may be replaced when all mounts have been installed.
6. To replace one or four mounts, all mount nuts and lockwashers must be removed.
JOHNSON MOTORS
W. W. DeWees Service Department
WWD:eb
NOTE: Post on your QD, FD & RX indexes.