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

Yamaha YZF-R125 Service Manual / Chassis / 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 direction of the arrow shown in the illustration to remove the clip.

Disassembling the front fork legs


2. Drain:

  • Fork oil

NOTE:

Stroke the inner tube several times while draining the fork oil.

Disassembling the front fork legs


3. Remove:

  • Dust seal "1"
  • Oil seal clip "2" (with a flat-head screwdriver)

CAUTION:

Do not scratch the inner tube.

4. Remove:

  • Damper rod bolt "1"
  • Damper rod

NOTE:

While holding the damper rod with the damper rod holder "2" and T-handle "3", loosen the damper rod bolt.


Disassembling the front fork legs


    Removing the front fork legs
    The following procedure applies to both of the front fork legs. 1. Stand the vehicle on a level surface. WARNINGSecurely support the vehicle so that there is no danger of ...

    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. WARNINGDo not attempt to straighten a bent inner ...

    Other materials:

    Checking the timing chain tensioner
    1. Check: Timing chain tensioner Cracks/damage/rough movement Replace. a. Lightly press the timing chain tensioner rod into the timing chain tensioner housing by hand. NOTE: While pressing the timing chain tensioner rod, wind it clockwise with a thin screwdriver "1" until it stops. b. ...

    Checking the fuel sender
    1. Drain the fuel from the fuel tank. 2. Check: Fuel sender resistance Out of specification → Replace the fuel sender. a. Connect the pocket tester ( × 10) to the fuel sender coupler as shown. Positive tester probe sky blue "1" Negative tester probe orange/white " ...

    Checking the front brake caliper
    1. Check: Brake caliper pistons "1" Rust/scratches/wear Replace the brake caliper assembly. Brake caliper body "2" Cracks/damage Replace the brake caliper assembly. Brake fluid delivery passages (brake caliper body) Obstruction Blow out with compressed air. ...

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