Yamaha Marine Outboards F4A/F4 Factory Service Manual, Page 246Get this manual
DRIVE SHAFT, FORWARD GEAR AND SHIFT ROD E
Drive shaft inspection 1Inspect: 9Drive shaft WearDamage Replace
Busing inspection 1Inspect: 9Upper bushing 9Lower bushing WearCrackDamage ReplaceShift cam inspection 1Inspect: 9Shift cam WearDamage ReplaceBearing inspection 1Inspect:
9Bearing