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:

    Removing the rear brake caliper
    NOTE: Before disassembling the brake caliper, drain the brake fluid from the entire brake system. 1. Remove: Union bolt "1" Copper washers "2" Brake hose "3" NOTE: Put the end of the brake hose into a container and pump out the brake fluid carefully. ...

    Checking the rectifier/regulator
    1. Check: Rectifier/regulator output voltage Out of specification → Replace the rectifier/ regulator. a. Set the engine tachometer to the spark plug lead. b. Connect the pocket tester (DC 20 V) to the rectifier/regulator coupler as shown. Positive tester probe red "1" Negat ...

    Indicator and warning lights
    Indicator and warning lights Neutral indicator light"" Turn signal indicator light"" High beam indicator light"" Engine trouble warning light"" Coolant temperature warning light"" Turn signal indicator light"" This indicator light flashes when the turn signal switch is pushed t ...

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