60cc Chromed Bicycle Gas Engine Kit, 1,High profiled 2,Chrome-plated 3,Easy Install 48cc ... 50cc 60cc 70cc 80cc 2 Stroke Bicycle Gas Engine Kit/Bike Gas Kit/Bicycle Engine 48cc60cc80ccEngine typesingle cylinder, air-cooling, two strokes ... machine oil)Mixing ratio of fuel and engine oil16:1 for new sets, 20:1 after running 500kmSparking plugZ4C 16MMMTank capacity2L2L2LFuel ...