... .Engine model:1E40F-52.Power type :Single Cylinder,Four-stroke,Air-cooling gasoline engine3.Displacement:42.7cc.4.Flow:15m/h5 ... , planting trees, geophysical exploration, road construction and other fields. 2 drill with manganese steel synthesis more hard. The hard soil, super ... . 9 every time clear spark plug, carbon deposit cleaning muffler, air filter, gear box filling grease. 10 problems can not be ...