Yamaha F100B F100C Outboards Factory Service Manual, Page 181Get this manual
Lower unit (F100C) No1 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Shift rod O-ring Oil seal Bolt Oil seal housing O-ring Circlip Screw Cover Bolt Bolt Seal Water pump housing Inner plate cartridge Insert cartridge Impeller Dowel pin Gasket Outer plate cartridge Gasket Oil seal housing O-ring Gasket Oil seal Woodruff key Part name Q'ty 3.1 52.4 mm