Features: 1) Cut capacity cm/s: ≥60 2) Fuel consumption g/m: ≤80 3) External size (include guide bar, chain) (L x W x H): 860 x 95 x 20cm 4) Guide bar/efficient length: 570mm/470mm (22/18) 5) Chain pitch (inch): 10.26mm (import 0.404) 6) Gauge: 1.6mm (0.062) 7) Teeth: 64 8) Engine\'\'s type: 1-cylinder, 2-stroke, air-cooling 9) Cylinder\'\'s diameter stroke: 500mm 10) Displacement: 78.5ml 11) Max. power: 2.8kW/6000-6500rpm 12) Spark plug model: A4117 13) Fuel model: RQ-90 GB484 14) Oil model: GB11121 (winder QC30, summer QC40) 15) Oil/fuel mixture ratio: fuel: oil 25:1, new machine (in 50h) 15:1 16) Carburetor: MP22 diaphragm 17) Lubricate method: manual oil pump 18) Fuel tank capacity: 0.7L 19) Lubricating oil tank capacity: 0.3L Packing: N.W. (without guide bar, chain and oil plants): 8kg G.W. (include guide bar and chain): 9.5kg