Yamaha F100B F100C Outboards Factory Service Manual, Page 189Get this manual
Propeller shaft housing (F100C) NOTE: Install an oil seal halfway into the propeller shaft housing, then the other oil sealBall bearing attachment 4: 90890-06633 Driver rod LS 5: 90890-06606 4Install the reverse gear assembly to the propeller shaft housing using press
Depth d: 4.55.5 mm (0.180.22 in) 3Install the thrust washer and ball bearing to the reverse gear using press