Removing/Disassembling/Checking The Rear Wheel; Checking The Rear Wheel Drive Hub; Checking And Replacing The Rear Wheel Sprocket - Yamaha YZF-R25 Service Manual

EAS30156
REMOVING THE REAR 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
rear wheel is elevated.
2. Remove:
• Rear brake caliper
TIP
Do not depress the brake pedal when removing
the brake caliper.
3. Loosen:
• Drive chain puller locknuts "1"
• Drive chain adjusting nuts "2"
4. Remove:
• Rear wheel axle nut "1"
• Washers
• Rear wheel axle "2"
• Rear wheel
TIP
Push the rear wheel forward and remove the
drive chain from the rear wheel sprocket.
2
EAS30158
DISASSEMBLING THE REAR WHEEL
1. Remove:
• Oil seal
EAS30159
CHECKING THE REAR WHEEL
1. Check:
2. Check:
3. Measure:
2
1
EAS30160

CHECKING THE REAR WHEEL DRIVE HUB

1. Check:
1
EAS30161
CHECKING AND REPLACING THE REAR
WHEEL SPROCKET
1. Check:
4-27
• Wheel bearings
Refer to "DISASSEMBLING THE FRONT
WHEEL" on page 4-20.
• Rear wheel axle
• Wheel bearings
• Oil seal
Refer to "CHECKING THE FRONT WHEEL"
on page 4-20.
• Tire
• Rear wheel
Damage/wear → Replace.
Refer to "CHECKING THE TIRES" on page
3-16 and "CHECKING THE WHEELS" on
page 3-16.
• Radial wheel runout
• Lateral wheel runout
Refer to "CHECKING THE FRONT WHEEL"
on page 4-20.
• Rear wheel drive hub "1"
Cracks/damage → Replace.
• Rear wheel drive hub dampers "2"
Damage/wear → Replace.
1
• Rear wheel sprocket
More than 1/4 tooth "a" wear → Replace the
drive chain sprockets as a set.
Bent teeth → Replace the drive chain sprock-
ets as a set.
REAR WHEEL
2
2
2