Single cylinder, two-stroke, air-cooling Gasoline engine,52cc,chain saw Model:NG45Name:Chain SawProduct Description Parameter: 1)Max. Xutting diameter: 450mm 2 ... : 2800r/min 6)2-Cycle oil/gasoline mixing ratio: 1: 25 7)Fuel tank capacity: 550ml 8)Engine oil tank capacity ... : 260ml 9)General accessories: Guide bar, chain, file, plug wrench 10)Guide bar size: 18 Inner packing ...