Mercury Mariner 25HP 4-Stroke Outboard Service Manual 1997, Page 271Get this manual

Mercury Mariner 25HP 4-Stroke Outboard Service Manual 1997, Page 271

Propeller Shaft 1Slide clutch (SHORT SHOULDER FACES FOR WARD GEAR) over propeller shaft aligning cross pin hole with slot in propeller shaft2Insert cam follower spring into propeller shaft3Using 316 inAllen wrench or similar device, compress the follower spring enough to insert the cross pin partially through clutchInstall propeller shaft assembly into gear case
4Remove wrench and press cross pin through clutch and propeller shaft until flush
a Short Shoulder Cross Pin Allen Wrench

Bearing Carrier
1Install carrier into gear case