The Hyundai HCS65P is a 65cc Professional chainsaw. ENGINE Design: 2-stroke Engine Displacement: 65 cc Petrol to Oil Ratio: 40:1 Max Engine Power: 2.9 kW Fuel Tank Capacity: 0.55 L CUTTER BAR Cutter Bar: 18″ Oregon Chain Profile: 0.375″ Chain Pitch: 0.050″