YD45chain saw.chain saw.petrol chain saw.gasoline powered tool are good quality and the competitive price ,we have CE,GS chain saw,gasoline sawEngine: 1E43F, 2-stroke, single-cylinder, air-cooled gasoline engine Bore x Stroke: 43 x 31mm Displacement: 45cc Power: 1.7kw/7500rpm/min Max. torque: 2.0N.m/7000rpm Idling speed: 2,800rmp Ignition: CDI Start: recoil pull start Compression ratio: 7.5:1 ...