Engine Model:1E40F-5 Engine Type:air-cooled two-stroke single cylinder gasonline Engine Power:1.4kw/6500r/min Displacement:42.7cc Carburetor:pump-film type Gasonline/2-cycle oil mixing ratio:25:1 Ldling speed: 2800~3200r/min Engine N.W:3.5kg Carrying type:knapsack