... are you still pedaling? Turn your bicycle to a motorize scooter and “ Arrive, no sweat!” Let’s do it! This kit ... direct from us .80cc Motorized Bicycle Engine, Gasoline Bicycle Engine Kit Specification: Model50cc(48cc) 60cc80cc(66cc)Engine typesingle cylinder, air-cooling, two strokes ... /40, 10W/30 machine oil)Mixing ratio of fuel and engine oil16:1 for new sets, 20:1 after running 500kmSparking ...