Yamaha YZF-R125 Owners Manual: Front wheel

To remove the front wheel

WARNING
To avoid injury, securely support the vehicle so there is no danger of it falling over.

  1. Loosen the front wheel axle pinch bolt, then the wheel axle and the brake caliper bolts.


  1. Front wheel axle pinch bolt

  1. Lift the front wheel off the ground according to the procedure.
  2. Remove the speed sensor lead holder by removing the bolt.


  1. Speed sensor cable holder

  1. Remove the brake hose holder by removing the bolt.
  2. Remove the brake caliper by removing the bolts.


  1. Brake hose holder

  2. Brake caliper bolt

  3. Brake caliper

  4. Axle bolt

  1. Pull the wheel axle out, remove the speed sensor by pulling it out, and then remove the wheel. NOTICE: Do not apply the brake after the brake calipers have been removed, otherwise the brake pads will be forced shut.


  1. Speedometer gear unit

To install the front wheel

  1. Lift the wheel up between the fork legs.
  2. Install the speed sensor at the wheel hub.

TIP
Make sure that the projections on the speed sensor rotor are aligned with the notches in the wheel hub and that the slot in the speed sensor fits over the retainer on the fork leg.

  1. Insert the wheel axle.
  2. Lower the front wheel so that it is on the ground.
  3. Push down hard on the handlebar several times to check for proper fork operation.
  4. Install the brake caliper by installing the bolts.

TIP
Make sure that there is enough space between the brake pads before installing the brake caliper onto the brake disc.

  1. Install the brake hose holder by installing the bolt.
  2. Install the speed sensor lead holder by installing the bolt.
  3. Tighten the wheel axle, front wheel axle pinch bolt and brake caliper bolts to the specified torques.
Tightening torques:

Wheel axle:

59 Nm (5.9 m.kgf, 43 ft.lbf)

Front wheel axle pinch bolt:

14 Nm (1.4 m.kgf, 10 ft.lbf)

Brake caliper bolt:

30 Nm (3.0 m.kgf, 22 ft.lbf)
    Supporting the motorcycle
    Since this model is not equipped with a centerstand, follow these precautions when removing the front and rear wheel or performing other maintenance requiring the motorcycle to stand upright. ...

    Rear wheel
    To remove the rear wheel WARNING To avoid injury, securely support the vehicle so there is no danger of it falling over. Loosen the axle nut. Axle nut Drive chain slack adjust ...

    Other materials:

    Replacing the fuses
    Replacing the fuses Fuse box Spare fuse Headlight fuse Signaling system fuse Ignition fuse Radiator fan fuse Main fuse The fuse box is located under the rider seat. If a fuse is blown, replace it as follows. Turn the key to "OFF" and turn off the electrical circuit i ...

    Assembling the front brake caliper
    WARNING Before installation, all internal brake components should be cleaned and lubricated with clean or new brake fluid. Never use solvents on internal brake components as they will cause the brake caliper dust seals and piston seals to swell and distort. ...

    Troubleshooting
    Any of the following fail to light: headlight, high beam indicator light, taillight, license plate light, auxiliary light or meter light. NOTE: Before troubleshooting, remove the following part(s): 1. Seats 2. Fuel tank ...

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