Single cylinder, two-stroke, air-cooling Gasoline engine,52cc,chain saw Model:NG45Name:Chain SawProduct Description Parameter: 1)Max. Xutting diameter: 450mm 2 ... : 52cc 4)Rated output power: 1900W; 2.5HP 5)Idling speed: 2800r/min 6)2-Cycle oil/gasoline mixing ratio: 1 ... )Engine oil tank capacity: 260ml 9)General accessories: Guide bar, chain, file, plug wrench 10)Guide bar size: 18 Inner packing ...