Specification: 100% brand new Displacement: 49cc Maximum power: 0.9/6500kw/r/min Biggest torque: 1/4500Nm/r/min Starting mode: pull start Carburetor: Diaphragm carburetor Lowest fuel consumption: 0.65L/h Using Fuel: Mixing Ratio of Gasoline and Engine Oil 25:1 Chain:25H(NOT include) Model: air-cooled, single cylinder, 2 stroke.