Yamaha YZF-R125 Service Manual: Checking the friction plates

Yamaha YZF-R125 Service Manual / Engine / Clutch / 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 Out of specification Replace
    the friction plates as a set.

NOTE:

Measure the friction plate at four places.


Checking the friction plates


A. Friction plate 1

B. Friction plate 2

C. Friction plate 3 (Green)

a. Green paint

    Removing the clutch
    1. Straighten the lock washer tab. 2. Loosen: Clutch boss nut "1" NOTE: While holding the clutch boss "2" with the universal clutch holder "3", loosen the clutch boss nut. ...

    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 p ...

    Other materials:

    Engine oil and oil filter element
    The engine oil level should be checked before each ride. In addition, the oil must be changed and the oil filter element replaced at the intervals specified in the periodic maintenance and lubrication chart. To check the engine oil level Place the vehicle on a level surface and hol ...

    Checking the front and rear brake pads
    The front and rear brake pads must be checked for wear at the intervals specified in the periodic maintenance and lubrication chart. Front brake pads Remove the front brake caliper by removing the bolts. Bolt Brake caliper Lining thickness Check each front br ...

    Installing the valves
    The following procedure applies to all of the valves and related components. 1. Deburr: Valve stem end (with an oil stone) 2. Lubricate: Valve stem "1" Valve stem seal "2" (with the recommended lubricant) 3. Install: Lower spring seat "1" Valve stem seal "2" V ...

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