YX & ZS Shift Drum Shim Upgrade

These shims sit between the shift drum shaft & the crank casing.

These shims are to adjust end float in the shift drum when building your engine.

Well sell a variety of thicknesses.

Fits Manual Shift Drum Shafts:

• SHAFT DIAMETER = 13mm

Please Note:

• Too much float will result in the engine jumping out of gear.

• Too little end float could result in gearbox being tight and unable to select gear and somtimes neautral.

• Picture for demo only.

Item Includes:

• 1x Shim Washer