Front Wheel; Removing The Front Wheel; Checking The Front Wheel - Yamaha YZ250F Owner's Service Manual

REMOVING THE FRONT WHEEL

EAS1SM5124
1. Use a suitable stand to raise the front wheel
off the ground.
EWA13120
WARNING
Securely support the vehicle so that there is
no danger of it falling over.
2. Remove:

• Front wheel

CHECKING THE FRONT WHEEL

EAS1SM5125
1. Check:
• Front wheel axle
Roll the front wheel axle on a flat surface.
Bends  Replace.
EWA13460
WARNING
Do not attempt to straighten a bent wheel
axle.
2. Check:
• Tire (s)
• Front wheel
Damage/wear  Replace.
Refer to "CHECKING THE TIRES" on page
3-32 and "CHECKING THE WHEELS" on
page 3-33.
3. Check:
• Spokes
Bend/damage  Replace.
Loose  Tighten.
Tap the spokes with a screwdriver.
TIP
A tight spoke will emit a clear, ringing tone; a
loose spoke will sound flat.
4. Tighten:
• Spokes
Refer to "CHECKING AND TIGHTENING
THE SPOKES" on page 3-32.
Spokes
2.5 Nm (0.25 m·kgf, 1.8 ft·lbf)
TIP
After tightening the spokes, measure the wheel
runout.
5. Measure:
• Wheel radial runout "a"
• Wheel lateral runout "b"
Out of specification  Repair/replace.
Radial wheel runout limit
2.0 mm (0.08 in)
Lateral wheel runout limit
2.0 mm (0.08 in)
6. Check:
• Collars
Damage/wear  Replace.
7. Check:
• Bearing
Front wheel turns roughly or is loose  Re-
place the wheel bearings.
• Oil seals
Damage/wear  Replace.
4-4
FRONT WHEEL
b
a