Yamaha WR450F(W) Owner's Service Manual page 454

Extent of removal:
Extent of removal
1
1 Balancer drive gear
Order Part name
7 Conical washer
8 Primary drive gear
9 Balancer drive gear
10 Lock washer
11 Balancer driven gear
BALANCER
2 Balancer
Q'ty
1
1
1
1
1
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ENG
Remarks