1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 182Get this manual
9If bearing is rusted or does not roll freely, replace bearingRemove bearing and oil seals using Mandrel (91-36569) and Driver Rod (91-37323)Discard oil seals From Bearing Removal and Installation Kit (91-31229A5) 11Remove springaSpring
12Apply constant pressure to cam follower to prevent cam follower assembly from ejecting from propeller shaft while pushing cross pin out of clutch dogaBearingMandrel (91-26569)Driver Rod (91-37323)