... cubs,mopeds ,very good performance . The detailed imformation of engine is as follows :Parameters50 CC70 CC90 CC110 CC125 CC150 CCEngine ... cylinder,4 stroke,2 valves1 cylinder,4 stroke,2 valves1 cylinder,4 stroke,2 valves1 cylinder,4 stroke,2 valves1 cylinder,4 ... stroke,2 valves1 cylinder,4 stroke,2 valvesCooling ...