Removing The Final Drive Roller Bearings - Yamaha 2004 YXR660 Service Manual

REAR CONSTANT VELOCITY JOINTS, FINAL DRIVE
GEAR AND DRIVE SHAFT
2. Remove:
• final drive pinion gear bearing housing
assembly 1
M MMM M MMM M
a. Clean the outside surface of the final drive
pinion gear.
b. Place the final drive pinion gear in a hydrau-
lic press.
CAUTION:
_
• Never directly press the gear end with a
hydraulic press, this will result in damage
to the gear thread.
• Install the suitable socket 2 on the gear
end to protect the thread from damage.
c. Press the gear end and remove the bearing
housing assembly.
L LLL L LLL L
3. Remove:
• bearing retainer
M MMM M MMM M
a. Place a folded rag 1.
b. Secure the final drive pinion gear bearing
housing edge in the vise.
c. Attach the bearing retainer wrench 2.
Bearing retainer wrench
P/N. YM-04128, 90890-04128
d. Remove the bearing retainer.
CAUTION:
The bearing
threads. To loosen the retainer, turn it
clockwise.
L LLL L LLL L
REMOVING THE FINAL DRIVE ROLLER
BEARINGS
1. Remove:
• roller bearing (ring gear) 1
Use a suitable press tool 2 and an appro-
priate support for the main housing.
7 - 25
DRIV
M MMM M M MMM M M MMM M M MMM M
L LLL L L LLL L L LLL L L LLL L
M MMM M M MMM M M MMM M M MMM M
retainer has left-handed
L LLL L L LLL L L LLL L L LLL L
MMM
LLL
MMM
LLL