top of page

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:



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


YX & ZS Shift Drum Shim Upgrade

    bottom of page