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:

    Checking the shift shaft
    1. Check: Shift shaft Bends/damage/wear Replace. Shift shaft spring Damage/wear Replace. Checking the stopper lever 1. Check: Stopper lever Bends/damage Replace. Roller turns roughly Replace the stopper lever. Stopper lever spring Damage/wear Replace. ...

    Installing the shift forks and shift drum assembly
    1. Install: Shift fork-L "1" Shift fork-C "2" Shift fork-R "3" Shift drum assembly "4" Springs Shift fork guide bar "5" NOTE: The embossed marks on the shift forks should face towards the right side of the engine and be in the following sequence: "R", "C", "L". 2. Check: Tr ...

    General tightening torque specifications
    This chart specifies tightening torques for standard fasteners with a standard ISO thread pitch. Tightening torque specifications for special components or assemblies are provided for each chapter of this manual. To avoid warpage, tighten multi-fastener assemblies in a crisscross pattern and ...

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