Yamaha YZF-R125 Service Manual: Checking the rear wheel

Yamaha YZF-R125 Service Manual / Chassis / Rear wheel / Checking the rear wheel

1. Check:

  • Rear wheel axle
  • Rear wheel
  • Wheel bearings
  • Oil seals Refer to "CHECKING THE FRONT WHEEL" on page 4-8.

2. Check:

  • Tire
  • Rear wheel Damage/wear → Replace.

Refer to "CHECKING THE TIRES" on page 3-23 and "CHECKING THE WHEELS" on page 3-25.

3. Measure:

  • Radial wheel runout
  • Lateral wheel runout Refer to "CHECKING THE FRONT WHEEL" on page 4-8.

Checking the rear brake caliper bracket

1. Check:

  • Rear brake caliper bracket Cracks/damage → Replace.

Checking the rear wheel drive hub

1. Check:

  • Rear wheel drive hub Cracks/damage → Replace.
  • Rear wheel drive hub dampers Damage/wear → Replace.
    Removing the rear wheel (disc)
    1. Stand the vehicle on a level surface. WARNINGSecurely support the vehicle so that there is no danger of it falling over. 2. Elevate: Rear wheel NOTE: Place the vehicle ...

    Checking and replacing the rear wheel sprocket
    1. Check: Rear wheel sprocket More than 1/4 tooth "a" wear Replace the rear wheel sprocket. Bent teeth Replace the rear wheel sprocket. b. Correct 1. Drive chain roller 2. ...

    Other materials:

    Troubleshooting
    Any of the following fail to light: headlight, high beam indicator light, taillight, license plate light, auxiliary light or meter light. NOTE: Before troubleshooting, remove the following part(s): 1. Seats 2. Fuel tank ...

    Checking the camshaft
    1. Check: Camshaft lobes Blue discoloration/pitting/scratches  Replace the camshaft. 2. Measure: Camshaft lobe dimensions "a" and "b" Out of specification Replace the camshaft. 3. Check: Camshaft oil passage Obstruction Blow out with compressed air. ...

    Adjusting the throttle cable free play
    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 checkin ...

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