Single cylinder, two-stroke, air-cooling Gasoline engine,52cc,chain saw Model:NG45Name:Chain SawProduct Description Parameter: 1)Max. Xutting diameter: ... )Engine type: Air cooling, single cylinder, 2-stroke 3)Displacement: 52cc 4)Rated output power: 1900W; 2.5HP 5)Idling speed ... : 20"FCL: 825pcs Qty/40"FCL: 1, 865pcs NG52 chain saw