Yamaha YZF-R125 Service Manual: Installing the rear wheel (disc)

Yamaha YZF-R125 Service Manual / Chassis / Rear wheel / Installing the rear wheel (disc)

1. Install:

  • Rear brake disc

NOTE:

Tighten the brake disc bolts in stages and in a crisscross pattern.

Installing the rear wheel (disc)


2. Check:

  • Rear brake disc Refer to "CHECKING THE REAR BRAKE DISC" on page 4-33.

3. Lubricate:

  • Rear wheel axle
  • Contact surface of rear wheel hub and rear wheel
  • Wheel bearings
  • Oil seal lips

4. Adjust:

  • Drive chain slack Refer to "ADJUSTING THE DRIVE CHAIN SLACK" on page 3-21.

    Adjusting the rear wheel static balance
    NOTE: After replacing the tire, wheel or both, the rear wheel static balance should be adjusted. Adjust the rear wheel static balance with the brake disc and rear wheel drive hub installed. ...

    Front brake
    ...

    Other materials:

    Checking the cylinder head
    1. Eliminate: Combustion chamber carbon deposits (with a rounded scraper) NOTE: Do not use a sharp instrument to avoid damaging or scratching: Spark plug bore threads Valve seats 2. Check: Cylinder head Damage/scratches   Replace. Cylinder head water jacket Min ...

    Throttle position sensor
    1. Check: Throttle position sensor a. Connect the digital circuit tester to the terminals of the throttle body sensor assembly coupler as shown. Positive tester probe → gray/red terminal "1" Negative tester probe → gray/black terminal "2" b. Measure the throttle pos ...

    Electrical components
    1. Main switch 2. Clutch switch 3. Front brake light switch 4. Ignition coil 5. Throttle body sensor assembly (intake air pressure sensor, intake air temperature sensor, throttle position sensor) 6. FID (fast idle solenoid) 7. Rectifier/regulator 8. Lean angle sensor 9. Starting circui ...

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