Model number: 81454 Chain saw Displacement: 37.2cc Length of guide bar: 16" or ... ,2-stroke,one cylinder,air-cooledDisplacement 37.2cc Engine power 1.3KW Carburetor type DiaphragmaticStarting systemRecoiled ... , iuauelFuel mixed ratio 25:1Lubrication type, saw-chainAutomaticEngine oil tank capacity0.21LFuel tank capacity0.39LLength ... more longer time for use. 37.2cc gasoline chain saw