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:

    Faulty lighting or signaling system
    Headlight does not come on - Wrong headlight bulb - Too many electrical accessories - Hard charging - Incorrect connection - Improperly grounded circuit - Poor contacts (main or light switch) - Burnt-out headlight bulb Headlight bulb burnt out - Wrong headlight bulb - Faulty battery - Fau ...

    Checking the timing chain and timing chain guide
    1. Check: Timing chain Damage/stiffness Replace the timing chain and camshaft sprocket as a set. 2. Check: Timing chain guide (intake side) Damage/wear Replace. Checking the oil strainer 1. Check: Oil strainer Damage   Replace. Contaminants Clean with solvent. ...

    Installing the crankshaft
    1. Install: Crankshaft "1" NOTE: Install the crankshaft with the crankshaft installer pot "2", crankshaft installer bolt "3", adapter (M12) "4" and spacer (crankshaft installer) "5". CAUTION:To avoid scratching the crankshaft and to ease the installation procedure, lubricate ...

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