Yamaha YZF-R125 Quiz
Engine

Checking the clutch boss

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

1. Check:

Clutch boss splines Damage/pitting/wear Replace the
clutch boss.

NOTE:

Pitting on the clutch boss splines will cause erratic clutch operation.

Checking the clutch boss

Checking the pressure plate

1. Check:

Pressure plate Cracks/damage Replace.


Checking the clutch push lever and short clutch push rod

1. Check:

  • Clutch push lever
  • Short clutch push rod Damage/wear Replace the
    defective part(s).

Test yourself

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