140cc piranha engine with 22mm mikuni carb and electronics piranha piranha 140cc pit bike engine. comes complete with mikuni 22mm carburetor, intake manifold, kick starter, shifter, ignition coil, wire harness, cdi. this engine utuilizes a standard outer rotor ignition. this engine is made by yx motors. the same company that produced pitster pro, ogm, and many others. 4 speed, 4 up (0,1,2,3,4) gear pattern with clutch. add on a 1.5" uni air filter and a clutch cable to complete an entire power plant swap in your next project.