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.
    Introduction
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    Replacing the rear brake pads
    NOTE: When replacing the brake pads, it is not necessary to disconnect the brake hose or disassemble the brake caliper. 1. Remove: Brake pads Brake pad spring NOTE: To remove the inner b ...

    Other materials:

    Checking the transmission
    1. Measure: Main axle runout (with a centering device and dial gauge "1") Out of specification Replace the main axle. 2. Measure: Drive axle runout (with a centering device and dial gauge "1") Out of specification Replace the drive axle. 3. Check: Transmiss ...

    Adjusting the exhaust gas volume
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    Operation and important riding points
    Read the Owner's Manual carefully to become familiar with all controls. If there is a control or function you do not understand, ask your Yamaha dealer. WARNING Failure to familiarize yourself with the controls can lead to loss of control, which could cause an accident or injury. TIP ...

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