MAG 1 TC-W3 two-cycle oil is a premium, high quality motor oil formulated for use in outboard motors, motorcycles, snowmobiles, chain saws, garden equipment and other fuel lubricated or oil-injected two-cycle engines. Formulated to prevent ring sticking, reduce spark plug fouling, keep engine clean, prevent scuffing and work with injector and fuel lubricated engines. Small engines have evolved dramatically, requiring highly specialized fluids for unique applications. One brand has evolved right alongside MAG 1. Only the most advanced oil meets the difficult challenges of effectively balancing performance, strength and durability.