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:

    Periodic maintenance and lubrication chart
    NOTE: The annual checks must be performed every year, except if a kilometer-based maintenance, or for the UK, a mileage-based maintenance, is performed instead. From 30000 km (17500 mi), repeat the maintenance intervals starting from 6000 km (3500 mi). Items marked with an asterisk s ...

    Checking the clutch housing
    1. Check: Clutch housing dogs "1" Damage/pitting/wear  Deburr the clutch housing dogs or replace the clutch housing. NOTE: Pitting on the clutch housing dogs will cause erratic clutch operation. 2. Check: Bearing Damage/wear Replace the bearing and clutch housin ...

    Chain drive
    Removing the drive chain 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 the rear wheel is elevated. ...

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