Checking The Starter Clutch - Yamaha WR450F 2021 Owner's Service Manual

EAM30140

CHECKING THE STARTER CLUTCH

1. Check:
• Starter clutch assembly
• Starter clutch drive gear
Burrs/chips/roughness/wear  Replace the
starter clutch.
2. Check:
• Starter clutch assembly gear
Damage/pitting/wear  Replace the starter
clutch assembly.
3. Check:
• Starter clutch operation
a. Install the starter clutch drive gear "1" onto
the starter clutch and hold the starter
clutch.
b. When turning the starter clutch drive gear
counterclockwise "A", it should turn freely,
otherwise the starter clutch is faulty and
must be replaced.
c. When turning the starter clutch drive gear
clockwise "B", the starter clutch and the
starter clutch drive gear should engage,
otherwise the starter clutch is faulty and
must be replaced.
B
A
1
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STARTER CLUTCH