Model: LYJ45-18 (18")Engine model: LY1E43F Engine Type: Single cylinder, 2 stroke, forced air cooling Bore x Stroke: 43 x 31mm Displacement: 45ccCompression ration: 6.1:1Rated power: 1.45Kw(7000rpm)Max. torque: 2.0N.m(5500rpm)Gasoline and oil mixed ration: 25:1Lubricating oil: 2 stroke engine oilIgnition: T.C.I.Starting system: Recoil starterEngine dimension: 410 x 235 x 265mmEngine net weight: 4.85kgChainsaw dimension: 860 x 240 x 270mmChainsaw net weight: 7kgGuide bar type: sprocket noseGuide bar size: 18in.(457.2mm)Saw chain pitch: 0.325in.(8.26mm)Saw chain gauge: 0.058in.(1.47mm)Carburetor model:WALBRO? from Japan Saw chain model:CARLTON? of the USAPcs/ctn: 1N.W./G.W.:7/9kgCarton size:48x26x37cmPcs/1x20FCL:633Minimum Order:50pcs