Yamaha F100B F100C Outboards Factory Service Manual, Page 153Get this manual
Lower unit (F100B) No1 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Oil seal Oil seal housing O-ring Spring Circlip Shift rod Bolt Woodruff key Bolt Cover Seal Water pump housing O-ring Insert cartridge O-ring Collar Spacer Washer Wave washer Impeller Outer plate cartridge Gasket Dowel pin Part name Shift rod assembly Q'ty 2