1995 Mariner Mercury Outboards Service Manual 50HP 4-Stroke, Page 230Get this manual
Propeller Shaft Disassembly 1Remove propeller shaft from carrier and disassemble shaftRemove reverse gear and bearing from carrier with Puller 91-27780
aReverse Gear and BearingPuller (91-27780)
Propeller Shaft and Carrier Inspection
Clutch Dog
12Inspect clutch jaws for chips or rounding offIf wear is present, inspect corresponding forward or reverse gear matching jaws for similar wearReplace appropriate components as required