Removing The Front Wheel (Disc); Disassembling The Front Wheel; Checking The Front Wheel - Yamaha WR125R 2009 Service Manual

EAS21890

REMOVING THE FRONT WHEEL (DISC)

1. Stand the vehicle on a level surface.
EWA13120
WARNING
Securely support the vehicle so that there is
no danger of it falling over.
2. Elevate:
• Front wheel
TIP
Place the vehicle on a suitable stand so that the
front wheel is elevated.
3. Remove:
• Front brake caliper (WR125X)
TIP
Do not squeeze the brake lever when removing
the front brake caliper.
4. Remove:
• Collar (WR125R)
TIP
Do not disassemble the collar.
EAS21910

DISASSEMBLING THE FRONT WHEEL

1. Remove:
• Oil seal
• Wheel bearings
M MMM M MMM M M MMM M
a. Clean the surface of the front wheel hub.
b. Remove the oil seal "1" with a flat-head
screwdriver.
TIP
To prevent damaging the wheel, place a rag "2"
between the screwdriver and the wheel surface.
1
c. Remove the wheel bearings "3" with a gener-
al bearing puller.
M MMM M M MMM M M MMM M
2
L LLL L LLL L
EAS21930

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.
MMM
2. Check:
• Tire
• Front wheel
Damage/wear → Replace.
Refer to "CHECKING THE TIRES" on page
3-23 and "CHECKING THE WHEELS" on
page 3-25.
3. Check:
• Spokes
Bends/damage → Replace.
Loose → Tighten.
Refer to "CHECKING AND TIGHTENING
THE SPOKES" on page 3-25.
TIP
After tightening the spokes, measure the front
wheel runout.
4. Measure:
• Wheel radial runout "1"
• Wheel lateral runout "2"
Over the specified limits → Replace.
4-10
FRONT WHEEL
L LLL L L LLL L L LLL L L LLL L LLL