Single cylinder, two-stroke, air-cooling Gasoline engine,52cc,chain saw Model:NG45Name:Chain SawProduct Description Parameter: ... 1)Max. Xutting diameter: 450mm 2)Engine type: Air cooling, single cylinder, 2-stroke 3)Displacement: 52cc ... mixing ratio: 1: 25 7)Fuel tank capacity: 550ml 8)Engine oil tank capacity: 260ml 9)General accessories: Guide bar, chain, file ...