Yamaha F15MHX Manuel D'entretien page 212

POWR
B
COILS AND TIMING BELT
A
Driven sprocket installation
1. Install:
9 Bolt
Flywheel holder:
YB-06139/90890-06522
A For USA and CANADA
B Except for USA and CANADA
Timing belt slack inspection
1. Inspect:
9 Timing belt slack
Out of specification → Replace.
Refer to "POWER UNIT" in chapter 3.
5-15
E