Checking The Gear Motor; Assembling The Front Constant Velocity Joints - Yamaha 2004 YXR660 Service Manual

FRONT CONSTANT VELOCITY JOINTS, DIFFERENTIAL
È
É
GEAR AND DRIVE SHAFT
3. Check:
• front drive shaft
1
Bends → Replace.
• torque limiter
Loose → Replace the front drive shaft.
WARNING
Do not attempt to straighten a bent shaft;
this may dangerously weaken the shaft.

CHECKING THE GEAR MOTOR

1. Check:
• gear motor
M MMM M MMM M
a. Connect two C size batteries to the gear
motor terminals 1 (as shown in the illustra-
tions).
CAUTION:
• Do not use a 12 V battery to operate the
pinion gear.
• Do not connect the batteries to the gear
motor when it is installed in the gear
case. The gear motor should be checked
when it is removed from the gear case.
È Check that the pinion gear 2 turns counter-
clockwise.
É Check that the pinion gear 2 turns clockwise.
NOTE:
Do not disassemble the gear motor or remove
the pinion gear.
L LLL L LLL L
ASSEMBLING THE FRONT CONSTANT
VELOCITY JOINTS
1. Apply:
• molybdenum disulfide grease
(into the ball joint assembly)
NOTE:
Molybdenum disulfide grease is included in the
repair kit.
7 - 11
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
MMM
LLL