Yamaha YZF-R125 Owners Manual: Cast wheels

To maximize the performance, durability, and safe operation of your vehicle, note the following points regarding the specified wheels.

  • The wheel rims should be checked for cracks, bends or warpage before each ride. If any damage is found, have a Yamaha dealer replace the wheel. Do not attempt even the smallest repair to the wheel. A deformed or cracked wheel must be replaced.
  • The wheel should be balanced whenever either the tire or wheel has been changed or replaced. An unbalanced wheel can result in poor performance, adverse handling characteristics, and a shortened tire life.
  • Ride at moderate speeds after changing a tire since the tire surface must first be "broken in" for it to develop its optimal characteristics.
    Tires
    To maximize the performance, durability, and safe operation of your motorcycle, note the following points regarding the specified tires. Tire air pressure The tire air pressure should be check ...

    Adjusting the clutch lever free play
    Adjusting the clutch lever free play Clutch lever free play adjusting bolt Clutch lever free play The clutch lever free play should measure 10.0-15.0 mm (0.39-0.59 in) as shown. Perio ...

    Other materials:

    Checking and lubricating the brake and shift pedals
    Brake pedal Brake pedal Shift pedal Shift pedal The operation of the brake and shift pedals should be checked before each ride, and the pedal pivots should be lubricated if necessary. Recommended lubricant:Lithium-soap-based grease ...

    Intake air pressure sensor
    1. Check: Intake air pressure sensor output voltage Out of specification Replace the throttle body. a. Connect the pocket tester (DC 20 V) to the throttle body sensor assembly coupler as shown. Positive tester probe pink/white "1" Negative tester probe gray/black "2" ...

    Checking the swingarm
    1. Check: Swingarm Bends/cracks/damage   Replace. 2. Check: Pivot shaft Roll the pivot shaft on a flat surface. Bends Replace. WARNINGDo not attempt to straighten a bent pivot shaft. 3. Wash: Pivot shaft Washer Swingarm adjusting collar Du ...

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