Yamaha YZF-R125 Quiz
Troubleshooting

Faulty clutch

In this manual: Troubleshooting
General information — 15Specifications — 14Periodic checks and adjustments — 41Chassis — 67Engine — 76Cooling system — 12Fuel system — 10Electrical system — 61Troubleshooting — 13
~1min read

Clutch slips

1. Clutch

  • Improperly assembled clutch
  • Improperly adjusted clutch cable
  • Loose or fatigued clutch spring
  • Worn friction plate
  • Worn clutch plate

2. Engine oil

  • Incorrect oil level
  • Incorrect oil viscosity (low)
  • Deteriorated oil

Clutch drags

1. Clutch

  • Unevenly tensioned clutch springs
  • Warped pressure plate
  • Bent clutch plate
  • Swollen friction plate
  • Bent clutch push rod
  • Broken clutch boss
  • Burnt primary driven gear bushing

2. Engine oil

  • Incorrect oil level
  • Incorrect oil viscosity (high)
  • Deteriorated oil

Test yourself

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