SPECIFICATION Engine Type: Single Cylinder, 2-stroke, Force Air Cooling Displacement: 45cc Compression Ration: 7.5: 1 Rate Power: 1.6kw/7500rpm Gasoline and Oil Mixed Ratio: 25:1 Ignition: T.C.I Starting System: Recoil Starter N.W: 6.5KG Guide Bar Type: Sprocket Nose, ORGEON Guide Bar Size: 16''/18'' Saw Chain Pitch: 0.325 inch