Engine model: 1E44F-2 Engine type: air-cooled,two-stroke,single cylinder gasoline Engine power: 1.47kw/6500-7000r/min Displacement: 51.7cc Carburetor:pump-film type Carsoline/2-cycle oil mixing ratio: 25:1 ldling speed: 2800-3200r/min Fuel tank capacity:1350ml Pipe diameter: 26mm Engine N.M.: 3.5kg Machine weight: 10.5kg Carrying type: knapsack