Engine type: single cylinder, 2-stroke, air-cooling Displacement: 50ccStarter mode: Hand starerFuel: Gasoline:Two-stroke oil =25:1 Fuel tank capacity: 550(ml)Carburetor: DiaphragmIgnition system: C.D.I. Rate power: 2.2kw/8500rpmOil feeding systems: Automatic pump with adjusterMax. cutting length:47cmSaw chain pitch: 0.325(in)Chain saw gague: 0.058(1.47)Guide bar size(in): 16", 20",22"Weight: 5.0kgs(Not including guide bar and chain)Packing size: 47*28*29cmQuantity: 700/20'GP 1490pcs/40'GP 1720pcs/40HQ