Yamaha Outboard F15A F9.9C, FT9.9D F15 Service Manual, Page 200Get this manual
POWR FLYWHEEL MAGNETO (EHE MODELS)
SERVICE POINTS
Flywheel magneto removal 1Remove: Flywheel magneto Flywheel holder: YB-0613990890-06522
A For USA and CANADA Except for USA and CANADA
The major load should be applied in the direction of the arrowsIf the load is not applied as shown, the flywheel holder may easily slip off