Chain saw HT450 Power Type: Single Cylinder,Two-stroke Air-cooling gasoline engine Displacement:45cc Chain saw HT450Power Type Single Cylinder,Two-stroke Air-cooling gasoline engine Cylinder Diameter x Stroke 43mm x 31mm Displacement45ccRated Output power&Relevant Speed1.7Kw/8000rpmFuel Mixture Ratio25 :1 (Gasoline25:Two-cycle Oil 1)Fuel Tank Capacity550mlEngine Oil Tank Capacity260mlGuide Bar ...