Yamaha YZF-R125 Service Manual: Checking the front wheel

Yamaha YZF-R125 Service Manual / Chassis / Front wheel / Checking the front wheel

1. Check:

Front wheel axle Roll the wheel axle on a flat surface.

Bends → Replace.

WARNING

Do not attempt to straighten a bent wheel axle.

Checking the front wheel


2. Check:

  • Tire
  • Front 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 "1"
  • Lateral wheel runout "2" Over the specified limits → Replace.


Checking the front wheel


4. Check:

  • Wheel bearings Front wheel turns roughly or is loose Replace
    the wheel bearings.
  • Oil seal Damage/wear Replace.

    Disassembling the front wheel
    1. Remove: Oil seal Wheel bearings a. Clean the surface of the front wheel hub. b. Remove the oil seal "1" with a flat-head screwdriver. NOTE: To prevent damaging the wheel, place a rag ...

    Assembling the front wheel
    1. Install: Wheel bearings Oil seal a. Install the new wheel bearings and oil seal in the reverse order of disassembly. CAUTION:Do not contact the wheel bearing inner race " ...

    Other materials:

    Adjusting the engine idling speed
    The engine idling speed must be checked and, if necessary, adjusted as follows at the intervals specified in the periodic maintenance and lubrication chart. The engine should be warm before making this adjustment. Remove panel A. Check the engine idling speed and, if necessary, ...

    Checking the bulbs and bulb sockets
    NOTE: Do not check any of the lights that use LEDs. Check each bulb and bulb socket for damage or wear, proper connections, and also for continuity between the terminals. Damage/wear  Repair or replace the bulb, bulb socket or both. Improperly connected Properly connect. No c ...

    Outline of the fi system
    The main function of a fuel supply system is to provide fuel to the combustion chamber at the optimum air-fuel ratio in accordance with the engine operating conditions and the atmospheric temperature. In the conventional carburetor system, the air-fuel ratio of the mixture that is supplied t ...

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