TB YX140BIG BORE KIT 145CC - TBW9066
 
This kit is designed and manufactured by TB Parts who specialise in pit bike performance parts in USA. 
 
This cylinder is ceramic coated for longer lasting wear.
 
This kit is a 57mm barrel and high comp piston 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.
 
FITS:
YX140
Z140 
 
PLEASE NOTE:
KIT COMES AS SHOWN IN PHOTOS
THIS GASKET SET IS FOR STOCK YX140 HEAD USE ONLY. IF USING THIS KIT WITH TB V2 HEAD THEN YOU MUST USE GASKET SET - TBW0862
 

Item Includes:
1x PISTON KIT 57MM
1x CYLINDER 57MM
1x GASKET SET
1x EXHAUST GASKET