Yamaha FJR1300A(D), Service Manual

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SHAFT DRIVE
4-113
b. Finger tighten the ring gear fix bolt (M14) until
it stops the ring gear from moving.
TIP
Do not overtighten the ring gear fix bolt (M14).
c. Install the final gear backlash band “2” and
dial gauge “3”.
TIP
Make sure that the dial gauge plunger contacts
the groove “a” in the final gear backlash band as
shown in the illustration.
d. Gently rotate the coupling gear from engage-
ment to engagement.
e. Record the reading on the dial gauge.
f. Remove the dial gauge, final gear backlash
band, and ring gear fix bolt (M14).
g. Rotate the final drive pinion gear 90°.
h. Reinstall the ring gear fix bolt (M14), final
gear backlash band, 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.
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EAS23590
ADJUSTING THE FINAL GEAR BACKLASH
1. Remove:
• Ring gear bearing housing bolts “1”
• Ring gear bearing housing nuts “2”
TIP
Working in a crisscross pattern, loosen each bolt
and nut 1/4 of a turn. After all of the bolts and
nuts are fully loosened, remove them.
2. Remove:
• Ring gear bearing housing “1”
• Dust cover “2”
• Ring gear “3”
• Ring gear shim(s) “4”
• Thrust washer “5”
3. Adjust:
• Final gear backlash
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a. Select the suitable shim(s) and thrust washer
with the following chart.
b. If it is necessary to increase the final gear
backlash by more than 0.2 mm, reduce the
thrust washer thickness by 0.2 mm for every
0.2 mm increase of ring gear shim thickness.
c. If it is necessary to reduce the final gear back-
lash by more than 0.2 mm, increase the
thrust washer thickness by 0.2 mm for every
0.2 mm decrease of ring gear shim thickness.
Final gear backlash band
90890-01511
Middle drive gear lash tool
YM-01230
Thinner shim
Final gear backlash is in-
creased.
Thicker shim
Final gear backlash is de-
creased.