Yamaha F100B F100C Outboards Factory Service Manual, Page 197Get this manual
Drive shaft and lower case (F100C) NOTE: Install the shift rod assembly into the lower case, turn it counterclockwise 90 a, and then push it down to connect it to the shift slider 22Install the new oil seals into the oil seal housing as shown
Ball bearing attachment 3: 90890-06636 Driver rod LS 4: 90890-06606 3Install the new O-ring 54Install the new gasket 6, oil seal housing 7, new gasket 8, and outer plate cartridge 9