1975 Evinrude 2HP Model 2502 Full Factory Service Manual, Page 43Get this manual
GROMMET
GEARCASE
PROPELLER SHA FT AND DRIVE GEAR ASSEMBLY
GEARCASE HEAD
Figure 6-5 Water Pump Screws
Figure 6- 6Removing Wate Pump
Figure 6-7Gearcase
Components
eSlide gearcase head off of propeller Shaft and re move "On ring and sealRemove pinion gearSee Figure 6-7
REFERENCE PICTURE
DriveshaIt bushing in geaJ' case not servicedIT worn, replace gearcase