Adjusting The Final Gear Backlash - Yamaha Vmax VMX17C 2009 Service Manual

4. Measure:
• Final gear backlash
Out of specification → Adjust.
Final gear backlash
0.1–0.2 mm (0.004–0.008 in)
M MMM M MMM M M MMM M M MMM M
a. Install the ring gear fix bolt "1" into the final
gear oil drain hole.
Ring gear fix bolt (M14)
90890-01548
YM-01548
b. Finger tighten the ring gear fix bolt until it
stops the ring gear from moving.
TIP
Do not overtighten the ring gear fix bolt.
c. Attach the dial gauge "2" to a fixed surface
and position the dial gauge plunger so that it
contacts edge of the universal joint yoke "3"
as shown.
TIP
Make sure the dial gauge plunger contacts the
measuring point on the centerline of the yoke
bearing hole as shown.
2
d. Gently rotate the final drive pinion gear from
engagement to engagement.
e. Record the reading on the dial gauge.
f. Remove the dial gauge, and ring gear fix bolt.
g. Rotate the final drive pinion gear 90°.
M MMM M M MMM M MMM
1
3
4-97
h. Reinstall the ring gear fix bolt, and dial gauge.
i. Repeat steps (d) to (h) three more times (for
a total of four measurements).
j. If any of the readings are over specification,
adjust the final gear backlash.
L LLL L LLL L L LLL L L LLL L
EAS23591

ADJUSTING THE FINAL GEAR BACKLASH

1. Remove:
• Ring gear bearing housing bolts (M12) "1"
• Final drive case bolts (M8) "2"
TIP
Working in a crisscross pattern, loosen each bolt
1/4 of a turn. After all of the bolts are fully loos-
ened, remove them.
2
2
2. Remove:
• Ring gear bearing housing "1"
• Ring gear "2"
• Ring gear shim(s) "3"
• Thrust washer "4"
1
SHAFT DRIVE
L LLL L L LLL L LLL
1
1
2
2
2
2
3
2
4