Yamaha YZF-R125 Service Manual: Checking the front fork legs

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

The following procedure applies to both of the front fork legs.

1. Check:

  • Inner tube
  • Outer tube Bends/damage/scratches
    Replace.
WARNING

Do not attempt to straighten a bent inner tube as this may dangerously weaken it.

2. Measure:

  • Spring free length "a" Out of specification Replace.

Checking the front fork legs


3. Check:

  • Damper rod Damage/wear   Replace.


    Obstruction  Blow out all
    of the oil passages with compressed air.

  • Oil flow stopper Damage Replace.

CAUTION:

When disassembling and assembling the front fork leg, do not allow any foreign material to enter the front fork.

    Disassembling the front fork legs
    The following procedure applies to both of the front fork legs. 1. Remove: Rubber cap Clip "1" Front fork cap "2" (with O-ring) Fork spring NOTE: Push the front fork cap in the direc ...

    Assembling the front fork legs
    The following procedure applies to both of the front fork legs. WARNING Make sure the oil levels in both front fork legs are equal. Uneven oil levels can result in poor handling ...

    Other materials:

    Checking the cooling system
    1. Remove: Side covers Upper side cowlings Refer to "GENERAL CHASSIS" on page 4-1. 2. Check: Radiator "1" Radiator inlet hose "2" Radiator outlet hose "3" Coolant reservoir hose "4" Water pump breather hose "5" Cracks/damage → Replace. Refer to "RADIATOR" on page 6-1 ...

    Troubleshooting details
    This section describes the measures per fault code number displayed on the FI diagnostic tool. Check and service the items or components that are the probable cause of the malfunction following the order given. After the check and service of the malfunctioning part have been completed, re ...

    Checking the rear brake hose
    1. Check: Brake hoses "1" Cracks/damage/wear  Replace. 2. Check: Brake hose holder "2" Loose connection Tighten the holder bolt. Loose or open holder Fasten properly. 3. Hold the vehicle upright and apply the rear brake several times. 4. Check: Brake ho ...

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