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

The following procedure applies to all of the brake pads.

1. Operate the brake.

2. Check:

  • Rear brake pad Wear indicator groove "a" has almost disappeared
    Replace the brake pads as a set.

    Refer to "REAR BRAKE" on page 4-28.

Checking the rear brake pads


    Checking the front brake pads
    The following procedure applies to all of the brake pads. 1. Operate the brake. 2. Check: Front brake pad Wear indicator grooves "a" have almost disappeared Replace the brake pads as a ...

    Checking the front brake hose
    1. Check: Brake hose "1" Cracks/damage/wear  Replace. 2. Check: Brake hose holder "2" Loose connection Tighten the holder bolt. 3. Hold the vehicle upright and apply ...

    Other materials:

    Checking the valve seats
    The following procedure applies to all of the valves and valve seats. 1. Eliminate: Carbon deposits (from the valve face and valve seat) 2. Check: Valve seat Pitting/wear Replace the cylinder head. 3. Measure: Valve seat width C "a" Out of specification Replace the ...

    Checking the primary drive gear
    1. Remove: Primary drive gear Refer to "BALANCER GEAR" on page 5-53. 2. Check: Primary drive gear Damage/wear  Replace the primary drive gear and clutch housing as a set. Excessive noise during operation Replace the primary drive gear and clutch housing as a set ...

    Removing the generator
    1. Remove: Generator rotor nut "1" Washer NOTE: While holding the generator rotor "2" with the sheave holder "3", loosen the generator rotor nut. Do not allow the sheave holder to touch the projection on the generator rotor. 2. Remove: Generator rotor "1" (with the ...

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