Removing The Rear Wheel (Disc); Checking The Rear Wheel; Disassembling The Rear Wheel; Checking And Replacing The Rear Wheel Sprocket - Yamaha XG250 Service Manual

EAS22040

REMOVING THE REAR 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.
NOTE:
Place the vehicle on a suitable stand so that the
rear wheel is elevated.
2. Remove:
Rear brake caliper cover "1"
●
NOTE:
Do not depress the brake pedal when removing
the brake caliper.
3. Remove:
Rear wheel axle nut
●
Washer
●
Left drive chain puller
●
Rear wheel axle "2"
●
Washer
●
Right drive chain puller "3"
●
Rear wheel
●
Spacer/collar
●
3
NOTE:
Push the rear wheel forward and remove the
drive chain from the rear wheel sprocket.
EAS22100

CHECKING THE REAR WHEEL

1. Check:
Rear wheel axle
●
Rear wheel
●
Wheel bearings
●
Oil seals
●
Refer to "CHECKING THE FRONT WHEEL"
on page 4-4.
2. Check:
Tire
●
Rear wheel
●
Damage/wear → Replace.
Refer to "CHECKING THE TIRES" on page
3-21 and "CHECKING THE WHEELS" on
page 3-23.
3. Check:
Spokes
●
Refer to "CHECKING THE FRONT WHEEL"
on page 4-4.
4. Measure:
Radial wheel runout
●
Lateral wheel runout
●
Refer to "CHECKING THE FRONT WHEEL"
on page 4-4.
EAS22080

DISASSEMBLING THE REAR WHEEL

1. Remove:
Oil seals
●
Wheel bearings
●
Refer to "DISASSEMBLING THE FRONT
WHEEL" on page 4-5.
EAS22120
CHECKING AND REPLACING THE REAR
WHEEL SPROCKET
1. Check:
Rear wheel sprocket
●
More than 1/4 tooth "a" wear → Replace the
rear wheel sprocket.
1
Bent teeth → Replace the rear wheel sprock-
2
et.
a. More than 1/4 tooth wear
b. Correct
1. Drive chain roller
2. Rear wheel sprocket
2. Replace:
Rear wheel sprocket
●
4-11
REAR WHEEL
Radial wheel runout limit
2.0 mm (0.08 in)
Lateral wheel runout limit
2.0 mm (0.08 in)
a
2
1
b