Yamaha YZF-R125 Service Manual: Checking the clutch plates

Yamaha YZF-R125 Service Manual / Engine / Clutch / Checking the clutch plates

The following procedure applies to all of the clutch plates.

1. Check:

  • Clutch plate Damage Replace the clutch
    plates as a set.

2. Measure:

  • Clutch plate warpage (with a surface plate and thickness gauge "1") Out of specification Replace
    the clutch plates as a set.

Checking the clutch plates


    Checking the friction plates
    The following procedure applies to all of the friction plates. 1. Check: Friction plate Damage/wear Replace the friction plates as a set. 2. Measure: Friction plate thickness Ou ...

    Checking the clutch springs
    The following procedure applies to all of the clutch springs. 1. Check: Clutch spring Damage Replace the clutch springs as a set. 2. Measure: Clutch spring free length "a" Out o ...

    Other materials:

    Adjusting the clutch lever free play
    Adjusting the clutch lever free play Clutch lever free play adjusting bolt Clutch lever free play The clutch lever free play should measure 10.0-15.0 mm (0.39-0.59 in) as shown. Periodically check the clutch lever free play and, if necessary, adjust it as follows. Slide the ...

    Installing the starter clutch
    1. Install: Starter clutch assembly Starter clutch bolts "1" NOTE: While holding the generator rotor "2" with the sheave holder "3", tighten the starter clutch bolts. Do not allow the sheave holder to touch the projection on the generator rotor. Stake the end "a" of each start ...

    Checking the front brake disc
    1. Remove: Front wheel Refer to "FRONT WHEEL" on page 4-6. 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. a. Place the vehicle on a suitable stand ...

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