b. Install the bearing outer races with a socket
or appropriate tool that matches the diameter
of the races.
c. Install the inner race onto the final drive pin-
ion gear.
d. Install the bearing holder and tighten the bolt
to specification.
Bearing holder bolt
7 Nm (0.7 m·kgf, 5.1 ft·lbf)
LOCTITE®
L
LLL
L LLL
L
L LLL
L
5. Install:
• Collar "1"
• Oil seal "2"
New
• Bearing "3"
(with an appropriate press tool "4" and press)
TIP
The bearing can be reused, but Yamaha recom-
mends installing a new one.
EAS23P1028
ASSEMBLING THE FINAL DRIVE
ASSEMBLY
1. Install:
• Final drive case stud bolts
TIP
• Apply LOCTITE® to the threads of the final
drive case stud bolts.
• Install the final drive case stud bolts so that the
specified installed length "a" is obtained.
L LLL
L
L LLL
L
L LLL
L
a
a. 34.5–35.5 mm (1.36–1.40 in)
LLL
EAS23640
ALIGNING THE FINAL DRIVE PINION GEAR
AND RING GEAR
TIP
Aligning the final drive pinion gear and ring gear
is necessary when any of the following parts are
replaced:
• Final gear case
• Ring gear bearing housing
• Any bearing
1. Select:
• Final drive pinion gear shim(s) "1"
• Ring gear shim(s) "2"
M
MMM
M MMM
M
a. Position the final drive pinion gear shim(s)
and the ring gear with shim(s). Calculate the
respective thicknesses from information
marked on the final gear case, ring gear bear-
ing housing, and ring gear.
1
A
a
b
4-114
SHAFT DRIVE
M MMM
M
M MMM
M
M MMM
M
c
e
f
M MMM
M
MMM
d
B
2