Humanized design, easy to start, running smooth,self-propelled, one-year warranty,we do all,only to satisfy customers and users. Gasoline chain sawModel:XY-CS450Engine Model:1E43FPower Type:Single Cylinder,Two Stroke,Air Cooling gasoline engineDisplacement:45ccPower Output way:Automatic centrifugal meshingRated Output power&Relevant Speed:1.8KW/8000rpmLading Speed:3000rpmChain oil feeding system: ...