Chain Saw Model:1E45F Bore*Stroke:43*31 Displacement:52cc Max operating speed:11500rpm Idling speed:3000 Max power:1.8kw/7500rpm Fuel consumption:680g/kw.h Max cutting length:460mm Sprocket wheel:7T*0.325 Pitch:0.325 Chain Wide:0.050 Guides Model:BE18-72-5810P Guide Bar size:18(20) Form of Carburetor:Diaphragm Pumping system:Adjustable automatic pump oil Fuel tank capacity:470ml Chain Fuel tank capacity:230 ml Net weight:7.8kg Package Dimension:43*26*30cm