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

Yamaha YZF-R125 Service Manual / Periodic checks and adjustments / Engine / Adjusting the throttle cable free play

NOTE:

Prior to adjusting the throttle cable free play, the engine idling speed should be adjusted.

1. Check:

  • Throttle cable free play "a" Out of specification →Adjust.

Adjusting the throttle cable free play



2. Remove:

  • Right side panel Refer to "GENERAL CHASSIS" on page 4-1.

3. Adjust:

  • Throttle cable free play

a. Loosen the locknut "1" on the accelerator cable.

b. Turn the adjusting nut "2" in direction "a" or "b" until the specified throttle cable free play is obtained.


c. Tighten the locknut.


Adjusting the throttle cable free play


NOTE:

If the specified throttle cable free play cannot be obtained on the throttle body end of the cable, use the adjusting nut on the handlebar end.

a. Slide back the rubber cover "1".

b. Loosen the locknut "2".

c. Turn the adjusting nut "3" in direction "a" or "b" until the specified throttle cable free play is obtained.


Adjusting the throttle cable free play


d. Tighten the locknut.

e. Slide the rubber cover to its original position.

WARNING

After adjusting the throttle cable free play, start the engine and turn the handlebar to the right or left to ensure that this does not cause the engine idling speed to change.

4. Install:

  • Right side panel Refer to "GENERAL CHASSIS" on page 4-1.
    Adjusting the engine idling speed
    NOTE: Prior to adjusting the engine idling speed, the air filter element should be clean, and the engine should have adequate compression. 1. Start the engine and let it warm up for several minut ...

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    1. Remove: Right side cover Refer to "GENERAL CHASSIS" on page 4-1. 2. Disconnect: Spark plug cap 3. Remove: Spark plug CAUTION:Before removing the spark plug, blow away ...

    Other materials:

    Removing the throttle body
    1. Extract the fuel in the fuel tank through the fuel tank filler hole with a pump. 2. Disconnect: Fuel hose WARNINGCover the fuel hose connections with a cloth when disconnecting them. Residual pressure in the fuel lines could cause fuel to spurt out when removing the h ...

    Separating the crankcase
    1. Remove: Crankcase bolts NOTE: Loosen each bolt 1/4 of a turn at a time, in stages and in the proper sequence as shown. A. Right crankcase B. Left crankcase 2. Turn: Shift drum segment NOTE: Turn the shift drum segment "1" to the position shown in the illustration. In this ...

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    1. Install: Woodruff key Generator rotor Washer Generator rotor nut NOTE: Clean the tapered portion of the crankshaft and the generator rotor hub. When installing the generator rotor, make sure the woodruff key is properly sealed in the keyway of the crankshaft. 2. Tighte ...

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