Buy 157QMJ GY6 performance racing 61mm big bore kit on 2040-motos

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Performance race Big Bore kit for the 152QMI and 157QMJ gy6 125 and 150cc four stroke chinese scooter/atv engines. Fits, but is not limited to the Roketa, Sym, Tank, VIP, Tank, Sunl, Vento, etc.

.Will fit many Taiwanese made 150's like Genuine Buddy, and many others, without case modifications.

Standard Chinese engines will require the cases to be bored out. Outside diameter of cylinder base is 65mm.

Moly coated piston skirts. Nitrited rings.

Comes complete with head and base gaskets, piston, wrist pin, ring set, cylinder.

I would recommend our Ruima performance head and CVK carb kit to take full advantage of this upgrade.

125cc and 150cc, 155cc, and other import from China or Taiwan, PGO, BUGRIDER, Bugxter, KYMCO: GY6 125cc and 150cc scooters.

HONDA: GY6 125CC, SYM GY6 150cc

VENTO: Phantom R4i 125cc 150cc, Strada RX150, Yamati, Verucci, Baccio, Viva, Matrix, Wuzzi, Lifan and Clones

fitted to most GY6 base engines: Scooters, Buggies, ATVs and Quads

Not sure this will fit? Please call with any questions. 702-689-6035

Please call or email for questions, concerns, or ordering.

All gaskets means that the cylinder and head gasket are included.

Fast and friendly shipping via USPS Priority mail! We ship same day as payment.

For additional images, warranty, and specifications, please follow this link to our Ebay support tech support page: http://www.scrappydogscooters.com/Tech_Talk_with_Mo_.html