Removing The Front Wheel; Checking The Front Wheel - Yamaha 2009 YZF-R1 (Y) Service Manual

EAS21900

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. Remove:
• Left brake caliper
• Right brake caliper
TIP
Do not apply the brake lever when removing
the brake calipers.
3. Loosen:
• Front wheel axle pinch bolt
4. Remove:
• Front wheel axle bolt
• Front wheel axle
• Front wheel
EAS21920

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
axle.
2. Check:
• Tire
• Front wheel
Damage/wear → Replace.
Refer to "CHECKING THE TIRES" on
page 3-19 and "CHECKING THE
WHEELS" on page 3-19.
3. Measure:
• Radial wheel runout "1"
• Lateral wheel runout "2"
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)
4. Check:
• Wheel bearings
Front wheel turns roughly or is loose →
Replace the wheel bearings.
• Oil seals
Damage/wear → Replace.
5. Replace:
• Wheel bearings
• Oil seals
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a. Clean the outside of the front wheel hub.
b. Remove the oil seals "1" with a flat-head
screwdriver.
TIP
To prevent damaging the wheel, place a rag "2"
between the screwdriver and the wheel sur-
face.
4-20
FRONT WHEEL
New
New