In Stock Plug and play engines GY6 300cc water cooled engine TS25986975 USD 4,500 Plug and play GY6 300cc engine. It is completely built with Yamaha TTMRC four valves cylinder head with lids, L/c ceramic big bore cylinder, long stroke crankshaft, rocker arms with high angle camshaft, full cvt with anklebiter, powerful starter, racing magneto, manifold and transmission gears configuration. CDI and ignition coil comes with engine. Valves... Add to cart