Model number: 81451 Chain saw Displacement: 45cc Length of guide bar: 18" or 20" Certificate: GS,CE,EMC,EPA,EU1,EU2 Specifications: Model No ... .81451Engine typeGasoline engine,2-stroke,one cylinder,air-cooledDisplacement 45cc Engine power 1.8KW Carburetor type DiaphragmaticStarting systemRecoiled, iuauelFuel ...