YX 140cc Crankshaft Kit (Balenced)
 
This Crankshaft Has Been Balenced To Ensure It Is Correctly Weighted & Inline To Improve Revs And Reduce Vibration.
 
Also Fits - Zongshen Z140

Brand New YX140cc Pit Bike Balenced Crankshaft Kit For Gen4 Engine Onwards.

Item Includes (refer to item picture):
•1x Balenced Crankshaft with bearings fitted and con rod.