Front Wheel; Removing The Front Wheel; Checking The Front Wheel - Yamaha SR400 2014 Service Manual

EAS21890

REMOVING THE FRONT WHEEL

1. Stand the vehicle on a level surface.
EWA13120
WARNING
Securely support the vehicle so that there is
no danger of it falling over.
TIP
Place the vehicle on a suitable stand so that the
front wheel is elevated.
2. Loosen:
• Axle holder nut
3. Remove:
• Speedometer cable
• Wheel axle nut
• Wheel axle

• Front wheel

EAS21932

CHECKING THE FRONT WHEEL

1. Check:
• Wheel axle
Roll the wheel axle on a flat surface.
Bends  Replace.
EWA13460
WARNING
Do not attempt to straighten a bent wheel ax-
le.
2. Check:
• Tire
• Front wheel
Damage/wear  Replace.
Refer to "CHECKING THE TIRES" on page
3-16 and "CHECKING THE WHEELS" on
page 3-15.
3. Check:
• Spoke
Bends/damage  Replace.
Loose  Tighten.
Refer to "CHECKING AND TIGHTENING
THE SPOKES" on page 3-15.
TIP
After tightening the spokes, measure the front
wheel runout.
4. Measure:
• Front wheel radial runout "a"
• Front wheel lateral runout "b"
Over the specified limits  Replace.
Radial wheel runout limit
1.0 mm (0.04 in)
Lateral wheel runout limit
0.5 mm (0.02 in)
5. Check:
• Collar
Damage/wear  Replace.
EWA2RD1007
WARNING
• Immediately after tires are replaced with
new ones, drive carefully until getting used
to the travelling feeling given by the new
tires and the tires uniformly settle into the
tire rims. Failure to follow this practice may
result in injury to the driver and passenger
or damage to the vehicle.
• If tires are repaired or replaced, be sure to
tighten the valve stem locknuts.
6. Check:
• Wheel bearing
Front wheel turns roughly or is loose  Re-
place the wheel bearings.
7. Replace:
• Wheel bearing
• Oil seal
New
4-7
FRONT WHEEL
b
a
New