Mag 1, 16 oz, tc-w3 2-cycle engine oil, marine premium, high quality, formulated for use in outboard motors, motorcycles, snowmobiles, chain saws, garden equipment & other fuel lubricated or fuel injected 2-cycle engines, prevents ring sticking, reduce spark plug fouling, keep engine clean, prevent scuffing & work with injector & fuel lubricated engines, follow engine manufacture recommendations to deterring correct oil/fuel ratio, add oil to fuel, mix thoroughly, meets api tc & jasco fb specifications, licensed by nmma.