Yamaha 2008 WR450F, Owner'S Service Manual

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6-4
FRONT WHEEL AND REAR WHEEL
• Bolt (brake disc) "2"
Tighten the bolts in stage, using a
crisscross pattern.
3. Install:
• Collar "1"
Apply the lithium soap base grease
on the oil seal lip.
4. Install:
• Speed sensor "1"
•
Apply the lithium soap base grease
on the oil seal lip of the speed sen-
sor.
• Make sure the two projections "a" in
the wheel hub are meshed with the
two slots "b" in the speed sensor.
5. Install:
•
Wheel
•
Install the brake disc "1" between
the brake pads "2" correctly.
•
Make sure that the projections "a" in
the speed sensor fits over the stop-
per "b" on the front fork inner tube.
6. Install:
•
Wheel axle "1"
Apply the lithium soap base grease
on the wheel axle.
7. Install:
• Nut (wheel axle) "1"
8. Tighten:
• Bolt (axle holder) "1"
Before tightening the bolt, fit the
wheel axle to the axle holder by strok-
ing the front fork several times with
the front brake applied.
INSTALLING THE REAR WHEEL
1. Install:
• Bearing (right) "1"
•
Circlip "2"
• Spacer "3"
•
Bearing (left) "4"
• Oil seal "5"
• Apply the lithium soap base grease
on the bearing and oil seal lip when
installing.
• Install the bearing with seal facing
outward.
• Use a socket that matches the out-
side diameter of the race of the
bearing.
•
Right side of bearing shall be in-
stalled first.
• Install the oil seal with its manufac-
ture's marks or numbers facing out-
ward.
Do not strike the inner race of the
bearing. Contact should be made
only with the outer race.
2. Install:
•
Brake disc "1"
Bolt (brake disc):
12 Nm (1.2 m•kg, 8.7
ft•lb)
Nut (wheel axle):
90 Nm (9.0 m•kg, 65
ft•lb)
Bolt (axle holder):
21 Nm (2.1 m•kg, 15
ft•lb)