Yamaha YZF-R1S Service Manual - Eng
5-40
STARTER CLUTCH AND GENERATOR
ENG
EAS00351
CHECKING THE STARTER CLUTCH
1. Check:
Sstarter clutch rollers
1
Damage / wear
! Replace.
2. Check:
Sstarter clutch idle gear
1
Sstarter clutch drive gear
2
Burrs / chips / roughness / wear
! Replace
the defective part(s).
3. Check:
Sstarter clutch gear’s contacting surfaces
a
Damage / pitting / wear
! Replace the starter
clutch gear.
4. Check:
Sstarter clutch operation
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
counterclockwise
A
, 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
clockwise
B
, it should turn freely, otherwise
the starter clutch is faulty and must be re-
placed.