CS2500 chain saw

Engine: single cylinder, two-stroke, air-cool Ignition system: C.D.I Fuel: Mixture ( Gasoline 25: Two cycle oil 1 ) Fuel tank capacity: 230 (ml) Chain oil: Motor oil SAE#10W-30 Oil tank capacity: 160 (ml ) Engine displacement: 25.4 ( cc) Maximum engine power: 0.9kw / 7500rpm Maximum engine speed with cutting attachment: 10000rpm Maximum engine speed at idling: 2800rpm Maximum cutting length: 30 (cm) Saw chain type: Carlton/Tiger/Oregon Saw chain pitch: 3/8(in) Saw chain gauge: 0.050(in) Guide bar type: Sprocket nose Guide bar size: 12" Oil feeding system: Automatic pump with adjuster Compression ratio:7.5:1 Net Weight(without guide bar and chain): 2.9kg Gross weight(With 12” cutting attachment):4.0Kg Packing size:32 x26 x26cm Packing quantity:1350pcs/20”Fcl,3280pcs/40”HQ