Flywheel lightening service Model:crf50 Full 5mm wall thickness for

Full 5mm wall thickness for maximum strength

This is a handy clutch tool used for removing your clutch nut

If you're wanting to install a bore kit bigger than the 132cc then you will need to have your cases bored

Note: Image is for reference only

For the 2019 and up fuel injected models

Flywheel lightening service Model:crf50 Full 5mm wall thickness forA Lightened flywheel helps with throttle response and makes the bike rev faster between shifts. Which in turn makes it pull harder when shifting gears. From our experience and feedback from other riders this does not hurt bottom end any. Although engine braking effect will be a little more noticeable with a lightened flywheel. This is a must have mod for any serious racer. All legacy minis bikes are running a lightened fly wheel. Just about any