Yuri 18 Inch 2600W Gasoline Chain Saw 450Mm Yr-Gcs1124. Rated Output Power: 2600W; No-load Speed: 2500Rpm; Displacement: 62cc; Engine Type: Air-forced Cooling, Single Cylinder, Two Stroke; Bar Length: 18″ (450mm); Max Cutting Diameter: 450mm; Two-cycle Oil/Gasoline Mix Ratio: 1:25; Fuel Tank Capacity: 550ml; Engine Oil Tank Capacity: 260ml