Checking The Starter Clutch - Yamaha 2004 YP400 Service Manual

STARTER CLUTCH AND GENERATOR
Flywheel puller
90890-01362
Flywheel puller attachment
90890-04089, YM-33282
4. Remove:
• starter clutch bolts
• starter clutch
EAS00351

CHECKING THE STARTER CLUTCH

1. Check:
• starter clutch rollers 1
Damage/wear → Replace.
2. Check:
• starter clutch idle gear
• starter clutch gear
Burrs/chips/roughness/wear → Replace the
defective part(s).
3. Check:
• starter clutch gear's contacting surfaces
Damage/pitting/wear → Replace the starter
clutch gear.
4. Check:
• starter clutch operation
M MMM M MMM M M MMM
a. Install the starter clutch drive gear 1 onto
the starter clutch 2 and hold the starter
clutch.
b. When turning the starter clutch drive gear
clockwise È, the starter clutch and the
starter clutch drive gear should engage,
otherwise the starter clutch is faulty and
must be replaced.
c. When turning the starter clutch drive gear
counterclockwise É, it should turn freely,
otherwise the starter clutch is faulty and
must be replaced.
L LLL L LLL L L LLL
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ENG
M M MMM M M MMM M
L L LLL L L LLL L
M MMM M MMM
L LLL L LLL