TB YX140 57mm Piston 145CC - TBW0823
 
This kit is designed and manufactured by TB Parts who specialise in pit bike performance parts in USA. 
 
This kit is for a 57mm barrel taking your cc up to 145cc. Standard size is 56mm for 140cc.
 
PLEASE NOTE:
This is a performance enhancing part and damage may occur when modifying an engine beyond standard specifications. Buyer to fit at their own risk.
If using with stock head then you can use gasket set - TBW0862 OR TBW0424
If using with TB V2 Head then you MUST use gasket set - TBW0862
 
FITS:
YX140 - WITH TB 57MM CYLINDER
Z140 - WITH TB 57MM CYLINDER
 

Item Includes:
1x Piston 57mm
1x Piston Pin 13mm
1x Piston Ring Set
2x Piston Pin Clips