... .Engine type: Single Cylinder, 2-stroke, Air-cooling 2.Displacement: 52 cc 3.Gasoline/2-cycle oil mixing ratio: 25:1 ... , Air-cooling2.Engine power: 2.2kw/7000r/min.3.Displacement: 52 cc4.Carburetor: pump-film type5.Gasoline/2-cycle oil mixing ... pcs/40" , 3600 pcs/40"HQ RLD-GS5200 chain saw 52,one color 5200