Chinese ATV Parts, Kazuma ATV Parts. Kazuma Engine piston Kit - 50cc engines. Piston measures approximately 39mm in diameter and uses a 13mm piston pin.

Very common 50cc engine cylinder kit used in the Chinese ATV engines BUY NOT for Gy6 49/50cc engine. Many popular named Chinese ATVs use this same engine. Many other China ATV manufacturers also use this Chinese engine in dirt bikes, go karts, mini-choppers and more.

Will ship rings, piston, pin, clips and gaskets.