YX140 needle roller gearbox conversion kit
Fed up with the clutch side bearing blowing the side out or breaking up straight after installing a new one! you need to upgrade to this needle roller kit.
This is our conversion kit to convert your YX engine to a needle roller bearing on the final drive shaft to over come the common problem of them braking cranks cases or the bearing 6202x3 that can disintegrate!
Here is what’s in the kit:
- Right hand crank case with up graded bearing application
- Roller bearing clutch shaft
- New style needle roller bearing final drive shaft
- Full gear box set inc selector barrel and forks “all up gears”
- Full gasket set
- Set of kick start gears “up graded”