Dayuri 12 Inch 1200W Gasoline Chain Saw 300Mm Da-Mgc5112. Rated Output Power: 1200W; Engine Type: Air Cooling Single Cylinder, Two Stroke; Displacement: 35cc; No-load Speed: 3000Rpm; Max Cutting Diameter: 300mm; Two Cycle Oil/ Gasoline Mixing Ratio: 1:25; Fuel Tank Capacity: 230ml; Engine Oil Tank Capacity: 160ml; Bar Length: 12″ (300mm)