Engine:1-Cylinder,2-Stroke,Air-cooling Displacement:72CC Rated output power and relevant speed: 3.8KW / 7000rpm 72CC gasoline chain sawEngine:1-Cylinder,2-Stroke,Air-cooling Displacement:72CCRated output power and relevant speed:3.8KW / 7000rpmIdle speed:2800rpmOil/Fuel mixture ratio:1:25Fuel tank capacity: 680mlOil tank capacity: 360mlguide bar:/455/508mm(18"/20")Chain pitch: 3/8Gauge: 0.05" ...