All new low-odor formulation, low smoke ultra, clean-burning formula provides the best possible engine protection, with easy starting. Formulated for 2-cycle, air cooled engines. Add oil to gasoline for 2-cycle engines on lawn mowers, string trimmers, and chain saws. Mix oil to gasoline in the proper proportions as specified on can to get the correct mixture for your equipment. Features reduced exhaust port blocking; aftermarket oils can clog ports, reducing power and causing hard starting. Includes Ethanol compatible fuel stabilizers for easy starting and extended fuel storage for 6 - 12 months. Fuel stabilizers help minimize the negative effects of corrosion caused by ethanol-blended gasoline. Ring-free formula keeps rings clean for easy starting. Increased lubricity for better engine protection. Meets or exceeds latest industry specifications, including 2-stroke standard. Oil meets or exceeds performance requirements of all OEM (Original Equipment Manufacturer) products, not just Lawn-Boy.