Yamaha F100B F100C Outboards Factory Service Manual, Page 185Get this manual
Propeller shaft housing (F100C) No1 10 11 12 13 14 15 16 17 18 19 20 Part name Propeller shaft assembly Propeller shaft housing assembly Ball Slider Shift plunger Cross pin Dog clutch Spring Propeller shaft Washer Straight key Claw washer Ring nut Reverse gear Thrust washer Ball bearing O-ring Propeller shaft housing Needle bearing Oil seal Q'ty 2