1991 Johnson/Evinrude Models "EI" 40 thru 55 Service Manual, Page 22Get this manual
Lubrication Chart40, 48, 50 FREQUENCY FIGURE LUBRICATION POINT LUBRICANT FRESH WATER SALT WATER
Gearcase 16.4 floz(485 mL)
Change after first 20 operating hoursCheck level every 50 operating hoursChange every 100 operating hours or once each season, whichever comes firstAs Required
Power Trimrrilt Reservoir Capacity11 .7 floz(345 ml)
Starter Pinion Gear Shaft Helix
Trailering Lock (Port and Starboard) Swivel Bracket
Tilt Tube, Upper Tilt Cylinder Rod
Shift and Throttle Shaft Fittings