Yamaha YZF-R125 Service Manual: Removing the rear wheel (disc)
1. Stand the vehicle on a level surface.
| WARNING Securely support the vehicle so that there is no danger of it falling over. |
2. Elevate:
- Rear wheel
NOTE:
Place the vehicle on a suitable stand so that the rear wheel is elevated.
3. Remove:
- Rear brake caliper
NOTE:
Do not depress the brake pedal when removing the rear wheel.
4. Loosen:
- Drive chain adjusting locknut
- Drive chain adjusting bolt
5. Remove:
- Rear wheel axle nut
- Rear wheel axle
- Drive chain pullers
- Collars
- Rear wheel
NOTE:
Push the rear wheel forward and remove the drive chain from the rear wheel sprocket.
Disassembling the rear wheel
1. Remove:
- Oil seals
- Wheel bearings Refer to "DISASSEMBLING THE FRONT WHEEL" on page 4-8.
Rear wheel
...
Checking the rear wheel
1. Check:
Rear wheel axle
Rear wheel
Wheel bearings
Oil seals
Refer to "CHECKING THE FRONT WHEEL"
on page 4-8.
2. Check:
Tire
Rear wheel
Damage/wear → Replace.
Refer ...
Other materials:
Checking and replacing the rear wheel sprocket
1. Check:
Rear wheel sprocket
More than 1/4 tooth "a" wear
Replace the
rear wheel sprocket.
Bent teeth Replace the rear
wheel sprocket.
b. Correct
1. Drive chain roller
2. Rear wheel sprocket
2. Replace:
Rear wheel sprocket
a. Remove the self-locking nuts and the ...
Checking and charging the battery
WARNINGBatteries generate explosive hydrogen gas
and contain electrolyte which is made of poisonous
and highly caustic sulfuric acid.
Therefore, always follow these preventive
measures:
Wear protective eye gear when handling or
working near batteries.
Charge batt ...
Checking the rocker arms and rocker arm shafts
The following procedure applies to all of the
rocker arms and rocker arm shafts.
1. Check:
Rocker arm
Damage/wear Replace.
2. Check:
Rocker arm shaft
Blue discoloration/excessive wear/pitting/
scratches Replace or
check the lubrication
system.
3. Measure:
Rocke ...