Final Gear Backlash Adjustment - Yamaha XVS6501997 Service Manual

SHAFT DRIVE
EB707031

FINAL GEAR BACKLASH ADJUSTMENT

1. Remove:
S Bolts (bearing housing)
NOTE:
Working in a crisscross pattern, loosen each nut
1 /4 of a turn. After all the nuts are loosened, re-
move them.
2. Remove:
S Bearing housing 1
S Ring gear 2
S Thrust washer 3
S Shim(s) 4
3. Adjust:
S Final gear backlash
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Adjustment steps:
D Use the following chart to select the suitable
shims and thrust washer.
Reducing the shim
thickness:
Increasing the
shim thickness:
D If it is necessary to increase the final gear
backlash by more than 0.1 mm:
Reduce the thrust washer thickness by 0.1
mm for every 0.1 mm increase of ring gear
shim thickness.
D If it is necessary to reduce the final gear back-
lash by more than 0.1 mm:
Increase the thrust washer thickness by 0.1
mm for every 0.1 mm decrease of ring gear
shim thickness.
Thickness (mm)
Thickness (mm)
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6-56
CHAS
gear backlash is
increased.
gear backlash is
decreased.
Ring gear shim
0.25, 0.30, 0.40
Thrust washer
1.2, 1.4, 1.6, 1.8, 2.0