Yamaha VMX12H Supplementary Service Manual page 291

in)
1.5 mm (0.06
14
(0.55
(3.94 in)
mm
SHAFT DRIVE
FINAL DRIVE GEAR
Gear Lash Measurement
1. Secure the gear case
support.
2. Remove:
Drain plug
Drain the oil.
3. Install:
A specified bolt
the drain plug
4.
Finger tighten the bolt until it holds the
ring gear.
NOTE:
Do not over tighten the bolt; finger-tight is
sufficient.
5. Attach:
Lash Measurement Tool
01 230)
Dial Gauge (YU-03097)
Position mark
6. Measure:
lash
Gently rotate the gear coupling from
engagement t o engagement.
Over specified limit
Final Gear Lash: -
0.10 0.20 mm (0.004
NOTE:
Measure the gear lash a t 4 positions. Rotate the
shaft 90" each time.
Gear Lash Adjustment
1. Remove:
Nuts (bearing housing)
Bolts (bearing housing)
NOTE:
Working in a crisscross pattern, loosen nut
turn each. Remove them after all are loosened.
in a vise or other
Adjust.
-
0.008 in)
6-52