1978 Johnson 55 HP Outboards Service Manual, Page 61Get this manual
Figure 5-9Front and Rear Exhaust Cover Removal dRemove pivot screw from shift leverSee Figure 5-10 Figure 5-12Power Head Assembly on Bench Lift power head and lower motor cover assembly from adapter and place on bench for disassemblySee Figure 5-12
Figure 5-10Disconnect Shift Rod
Figure 5-13Removing Lower Motor Cover