Yamaha YZ450FA Automobile User Manual


 
5-4
FRONT WHEEL AND REAR WHEEL
HANDLING NOTE
Support the machine securely so there is no
danger of it falling over.
REMOVING THE REAR WHEEL
1. Remove:
• Wheel "1"
Push the wheel forward and remove the drive
chain "2".
REMOVING THE WHEEL BEARING
1. Remove:
• Bearing "1"
Remove the bearing using a general bearing
puller "2".
CHECKING THE WHEEL
1. Measure:
• Wheel runout
Out of limit Repair/replace.
2. Inspect:
•Bearing
Rotate inner race with a finger.
Rough spot/seizure Replace.
Replace the bearings, oil seal and wheel collar
as a set.
CHECKING THE WHEEL AXLE
1. Measure:
• Wheel axle bends
Out of specification Replace.
Use the dial gauge "1".
The bending value is shown by one half of the
dial gauge reading.
Do not attempt to straighten a bent axle.
Wheel runout limit:
Radial "1": 2.0 mm (0.08 in)
Lateral "2": 2.0 mm (0.08 in)
Wheel axle bending limit:
0.5 mm (0.020 in)