1998 Mercury 9.9/15HP 4-stroke outboards factory service manual, Page 304Get this manual
BIG FOOT
WARNING
Use caution when removing cam followerAs the cross-pin is remove the cam follower can shoot out of the propeller shaft as high speed projectile5Push against cam followerUse punch or awl to push cross-pin out of sliding clutch6Release pressure against cam follower
a-Cam Follower b-Cross Pin 7Remove cam follower, spring and sliding clutch from propeller shaft
a-Cam Follower b-Spring c-Clutch