... :Single cylinder,tow stroke,air cool Ignition system:C.D.I Guide bar size: 20'', 22'',24'', Gasoline 62cc Chain sawEngine Model ... :2-cycle oil mixing ratio: 25:1 Guide bar size: 20'', 22'',24'', Chain saw brand: Carltom/Oregon Fuel /oil tank ... typeGas:2-cycle oil mixing ratio: 25:1Guide bar size: 20'', 22'',24'',Chain saw brand:Carltom/OregonFuel /oil tank capacity ...