Yamaha FJR13AY 2009, Service Manual

Page: 298 / 744

SHAFT DRIVE
4-113
4. Stake the coupling gear nut “1” at a cutout “a”
in the final drive pinion gear.
5. Install:
• Ring gear bearing housing
(along with the ring gear, but without the
thrust washer)
6. Adjust:
• Final gear backlash
Refer to “MEASURING THE FINAL GEAR
BACKLASH” on page 4-106 and “ADJUST-
ING THE FINAL GEAR BACKLASH” on
page 4-107.
7. Measure:
• Ring-gear-to-thrust-washer clearance
▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼▼▼
a. Remove the ring gear bearing housing (along
with the ring gear).
b. Place four pieces of Plastigauge
®
between
the original thrust washer and the ring gear.
c. Install the ring gear bearing housing and
tighten the bolts and nuts to specification.
TIP
Do not turn the final drive pinion gear and ring
gear while measuring the ring-gear-to-thrust-
washer clearance with Plastigauge
®
.
d. Remove the ring gear bearing housing.
e. Measure the width of the flattened Plasti-
gauge
®
“1”.
f. If the ring-gear-to-thrust-washer clearance is
within specification, install the ring gear bear-
ing housing (along with the ring gear).
g. If the ring-gear-to-thrust-washer clearance is
out of specification, select the correct thrust
washer as follows.
h. Select the suitable thrust washer from the fol-
lowing chart.
i. Repeat the measurement steps until the ring-
gear-to-thrust-washer clearance is within the
specified limits.
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EAS23650
CHECKING THE DRIVE SHAFT
1. Check:
• Drive shaft splines
Damage/wear
→
Replace the drive shaft.
T
R
.
.
Ring gear bearing housing bolt
40 Nm (4.0 m·kg, 29 ft·lb)
Ring gear bearing housing nut
23 Nm (2.3 m·kg, 17 ft·lb)
Ring-gear-to-thrust-washer clear-
ance
0.10–0.20 mm (0.0039–0.0079 in)
Thrust washers
Thickness (mm)
1.2 1.4 1.6 1.8 2.0
Ring-gear-to-thrust-washer clear-
ance
0.10–0.20 mm (0.0039–0.0079 in)