lorem ipsum dolor sit thumb

Big Bore Kit 52mm 90cc for GY6 50cc 139QMB

Categories: Honda GY6 50cc KYMCO KAWASAKI scooter ATV, Honda GY6 125 150, Honda GY6 50cc 139QMB KYMCO SYM ...etc

  • USD
  • $65.00
  • Shipping:$28.00


Big Bore kit 88cc (90cc) 52mm bore size  for  GY6 50cc Cylinder upgrade kit

include : 50mm cylinder , Piston Kit , Gaskets

will fit to following GY6 & 139QMB 50cc base engine

Kawasaki : 50cc 4-stroke ATV

Kymco: Freeway 50,Filly 50cc,Agility 50cc

Taishan:Sport 50cc,Commuter 50cc





and other Chinese Cloned GY6 base 50cc engine  







**** for engine code with "QJ"139QMB engine code

include following Brand:


VENTO, Roketa, Baja Motorsports, Kazuma....etc




you have to modify engine case to 56mm for this big bore kit.****

if you dont know your engine model, 

You can check your engine serial number



the number stamped on engine case near engine mount




Related Products