Chassis

Checking the swingarm

~1min read

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.

Test yourself

A quick Yamaha YZF-R125 quiz: every answer comes with an explanation and a link to the manual page.