Yamaha YZF-R125 Owners Manual: Adjusting the throttle cable free play

Yamaha YZF-R125 Owners Manual / Periodic maintenance and adjustment / Adjusting the throttle cable free play


  1. Throttle cable free play

The throttle cable free play should measure 3.0-5.0 mm (0.12-0.20 in) at the throttle grip. Periodically check the throttle cable free play and, if necessary, adjust it as follows.

TIP
The engine idling speed must be correctly adjusted before checking and adjusting the throttle cable free play.

  1. Loosen the locknut.
  2. To increase the throttle cable free play, turn the adjusting nut in direction (a). To decrease the throttle cable free play, turn the adjusting nut in direction (b).


  1. Locknut

  2. Adjusting nut

  1. Tighten the locknut.
    Adjusting the engine idling speed
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    Valve clearance
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    Other materials:

    Fi system
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    Checking the spark plug cap
    1. Check: Spark plug cap resistance Out of specification Replace. a. Remove the spark plug cap from the spark plug lead. b. Connect the pocket tester ( × 1k) to the spark plug cap as shown. c. Measure the spark plug cap resistance. ...

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    The starter motor fails to turn. NOTE: Before troubleshooting, remove the following part(s): 1. Seats 2. Fuel tank 3. Left lower side cowling 4. Left upper side cowling ...

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