Yamaha YZF-R125 Service Manual: Checking the rear brake disc

Yamaha YZF-R125 Service Manual / Chassis / Rear brake / Checking the rear brake disc

1. Remove:

  • Rear wheel Refer to "REAR WHEEL" on page 4-12.

2. Check:

  • Brake disc Damage/galling → Replace.

3. Measure:

Brake disc deflection Out of specification → Correct the brake disc deflection or replace the brake disc.

Refer to "CHECKING THE FRONT BRAKE DISC" on page 4-21.


4. Measure:

Brake disc thickness Measure the brake disc thickness at a few different locations.

Out of specification → Replace.

Refer to "CHECKING THE FRONT BRAKE DISC" on page 4-21.


5. Adjust:

  • Brake disc deflection Refer to "CHECKING THE FRONT BRAKE DISC" on page 4-21.

6. Install:

  • Rear wheel Refer to "REAR WHEEL" on page 4-12.
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    Other materials:

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