Engine kits: safe convenience economy mild Engine kits: 48cc60cc70ccEngine typesingle cylinder, air-cooling, two strokes gasoline engineBore & stroke40mmx38mm45mmx38mm47mmx38mmIgnition ... 40, 10W/30 machine oil)Mixing ratio of fuel and engine oil16:1 for new sets, 20:1 after running 500kmSparking ... 8kg12kgCtn size42×42×17CM42×42×17CM42×42×17CM20'GP890pcs890pcs890pcsMini order45pcs45pcs45pcs Engine kits