Displacement: 49cc; Model: air-cooled, single cylinder, 2 stroke; Starting mode: pull start; Chain:25H(NOT include)49CC engine motor fits the majority of gas scooters, pocket bikes, and mini choppers configured . High quality replacement engine.Carburetor: Diaphragm carburetor; Lowest fuel consumption: 0.65L/h; Using Fuel: Mixing Ratio of Gasoline and Engine Oil 25:1Maximum power: 0.9/6500kw/r/min; Biggest torque: 1/4500Nm/r/min100% Refund Guarantee. Fast Delivery from our US warehouse! If you have any questions, please contact us. We will reply your within 24 hours.Product Description Specification:100% brand new Displacement: 49ccMaximum power: 0.9/6500kw/r/minBiggest torque: 1/4500Nm/r/minStarting mode: pull startCarburetor: Diaphragm carburetorLowest fuel consumption: 0.65L/hUsing Fuel: Mixing Ratio of Gasoline and Engine Oil 25:1Chain:25H(NOT include)Model: air-cooled, single cylinder, 2 stroke Fits (For the reference):Fits the majority of gas scooters, pocket bikes, and mini cho