How to Adjust the Master Clutch Cable on a Honda 125CC

Written by brian hiser
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How to Adjust the Master Clutch Cable on a Honda 125CC
The clutch gets a lot of use, so keep it properly adjusted. (cluth lever motorcycle image by Crisps85 from Fotolia.com)

The clutch on a 125CC Honda -- as with most any bike -- must fully disengage the engine when the lever is pulled in or the bike will creep forward and shifting can become difficult. Also, it must fully engage the engine when the lever is released or the bike will be robbed of its full power and the clutch will wear itself out prematurely. Small adjustments can be made at the clutch lever. If more adjustment is required you'll have to adjust the opposite end of the cable.

Skill level:
Moderately Easy

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Instructions

  1. 1

    The clutch lever should have about a half inch of free play, measured at the outside end of the lever -- the end with the ball shape to prevent your hand from slipping off.

  2. 2

    Remove the dirt-protector cover from the clutch lever and cable, if there is one.

  3. 3

    Loosen the round locknut and turn the adjuster until the lever has about a half inch of free play. Tighten the locknut. Hand tight is fine.

  4. 4

    Look between the adjuster and the locknut. If a lot of the adjuster's threads are showing, it is too far out of its bracket and the other end of the cable will have to be adjusted. A quarter inch of threads showing is fine, a half inch is too much.

  5. 5

    If the adjuster is not out too much, skip to step seven, otherwise continue here. Loosen the round locknut and screw the adjuster all the way in. Tighten the locknut. This will undo the adjustment you just made. Don't worry the adjustment will be made at the other end of the cable.

  6. 6

    At the other end of the cable loosen the locknuts, you will need wrenches on this end, and turn the adjuster until the clutch lever has about a half inch of free play. Tighten the locknuts when done.

  7. 7

    Go for a test ride. When the clutch lever is pulled in, the bike should not try to creep forward and the clutch should not slip when fully released.

Tips and warnings

  • Clutch cables can stretch with use. If it has stretched to the point it cannot be adjusted properly you will have to replace it.

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