Chain Saw single cylinder,two-stroke,air-cooling 37.2cc 25:1(Gasoline 25:two-cycle oil 1) Chain Saw Engine typesingle cylinder,two-stroke,air-coolingDisplacement37.2ccEngine Power1.2kw/7000rpmFuel mixture ratio25:1(Gasoline 25:two-cycle oil 1)Fuel Tank Capacity310mlEngine Oil Tank Capacity210mlGUide bar size14"/16"/18"G.W./N.W.6.5/5.3kg Chain Saw