1998 Mercury 9.9/15HP 4-stroke outboards factory service manual, Page 276Get this manual
NON BIGFOOT GEAR HOUSING
Propeller Shaft Reassembly
1Slide clutch onto propeller shaft
a-Sliding Clutch b-Short End (FORWARD Gear Side) c-Hole (must align with slot) d-Slot 2Insert cam follower spring into shaft
a-Spring 3Compress spring and install NEW groove pin
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