Engine

Removing the primary drive gear and balancer gears

~1min read

1. Loosen:

  • Primary drive gear nut "1"

NOTE:

Place the aluminum plate "a" between the balancer drive gear "2" and the balancer driven gear "3", and then loosen the primary drive gear nut.

Removing the primary drive gear and balancer gears

2. Straighten the lock washer tab.

3. Loosen:

  • Balancer driven gear nut "1"

NOTE:

Place the aluminum plate "a" between the balancer drive gear "2" the and the balancer driven gear "3", and then loosen the balancer driven gear nut.

Removing the primary drive gear and balancer gears

Test yourself

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