1997+ Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-826148R2, Page 301Get this manual
Propeller Shaft 1Slide clutch (S RT ULD FA RWA R) 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 clutch4R emove wrench and press cross pin through clutch and propeller shaft until flush
6Install cam followeraam ollower
7Install propeller shaft assembly into ge ar case52851Short ShoulderAllen WrenchCross Pin
5R einstall retaining springP SITIO RIN RIN OILS LAY LAT IN LU RO VEaPropeller Shaft Assembly