Yamaha F100B F100C Outboards Factory Service Manual, Page 103Get this manual
Power unit Removing the power unit
1Remove the flywheel magnet cover and flywheel magnetNOTE: Apply force to the crankshaft end until the flywheel magnet comes off the tapered portion of the crankshaftFlywheel holder 1: 90890-06522 Flywheel puller 2: 90890-06521 2Remove the retaining plate and clamp 2, and then disconnect the throttle cable and shift cable 4Remove the grommet and disconnect the fuel hose 6