Yamaha F100B F100C Outboards Factory Service Manual, Page 192Get this manual

Yamaha F100B F100C Outboards Factory Service Manual, Page 192

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Lower unit
Disassembling the drive shaft
1 Install the pinion nut 1, tighten it finger tight, and then remove the drive shaft bearing using press
Bearing separator 1: 90890-06534 2 R