Yamaha YZF-R125 Service Manual: Checking the swingarm

Yamaha YZF-R125 Service Manual / Chassis / Swingarm / Checking the swingarm

1. Check:

  • Swingarm Bends/cracks/damage  
    Replace.

2. Check:

  • Pivot shaft Roll the pivot shaft on a flat surface.

    Bends Replace.


WARNING

Do not attempt to straighten a bent pivot shaft.

Checking the swingarm


3. Wash:

  • Pivot shaft
  • Washer
  • Swingarm adjusting collar
  • Dust covers
  • Spacers
  • Bearings

4. Check:

  • Washer
  • Swingarm adjusting collar
  • Dust covers
  • Spacers

Oil seals Damage/wear Replace.


  • Bearings Damage/pitting Replace.

    Removing the swingarm
    1. Stand the vehicle on a level surface. WARNINGSecurely support the vehicle so that there is no danger of it falling over. NOTE: Place the vehicle on a suitable stand so that th ...

    Installing the swingarm
    1. Lubricate: Bearings Spacers Dust covers Pivot shaft 2. Install: Bearings "1" 2. Swingarm A. Left side B. Right side 3. Install: Swingarm adjusting collar "1" Swin ...

    Other materials:

    For your safety - pre-operation checks
    Inspect your vehicle each time you use it to make sure the vehicle is in safe operating condition. Always follow the inspection and maintenance procedures and schedules described in the Owner's Manual. WARNING Failure to inspect or maintain the vehicle properly increases the possibility of ...

    Installing the valves
    The following procedure applies to all of the valves and related components. 1. Deburr: Valve stem end (with an oil stone) 2. Lubricate: Valve stem "1" Valve stem seal "2" (with the recommended lubricant) 3. Install: Lower spring seat "1" Valve stem seal "2" V ...

    Installing the radiator
    1. Fill: Cooling system (with the specified amount of the recommended coolant) Refer to "CHANGING THE COOLANT" on page 3-15. 2. Check: Cooling system Leaks Repair or replace any faulty part. 3. Measure: Radiator cap opening pressure Below the specified pressure Repla ...

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