1978 Johnson 55 HP Outboards Service Manual, Page 12Get this manual
LUBRICATION CHART FREQUENCY (PERIOD OF OPERATION) FRESH WATER 4fSALT WATER Change after first 20 hours of operation, check every 50 hours of operation thereafterAdd lubricant if necessaryDrain and refill every 100 hours of operation or once each season, whichever occurs first60 days Same as Fresh Water
LUBRICATION POINT 1GearcaseSee Figure 2-1
LUBRICANT OMC HI-VIS Gearcase Lube Capacity 20.3 ozs+ (600 mL)
Same as Fresh Water 30 days
2Shift, Throttle, Timer, Carburetor,
Choke Linkages and Springs; Throttle Cam and Roller Shaft Figure 2-2 (Starboard Side) 3Motor Cover Lever Shafts Fore and AftSee Figure 2-3 4Tilt TubeSee Figure 2-4 5Swivel Bracket, TiltRun Lever, and LinkageSee Figure 2-5(Port Side) 6Starter Pinion Gear Shaft HelixSee Figure 2-6(Port Side)
OMC Anti-Corrosion Lube OMC Anti-Corrosion Lube OMC Anti-Corrosion Lube OMC Anti-Corrosion Lube Andero1766
30 days 30 days