... -2 Type:300CC Motorcycle engine,ATV Engine,4-stroke,vertical,water-cooled Displacement:292.4ml ------------------------------------------------------------------ Model:LC178MNType:single cylinder,4-stroke,,water-cooledDisplacement:292.4mlBorexStroke:78x61 ... addition, a gear with supplementary teeth is used to drive the balance shaft, all these measures realize a significant vibration-damping effect ...