Lubrimatics family of TC-WIII 2 cycle oils offer incredible benefits at an incredible price. They provide guaranteed protection against piston scuffing, spark plug fouling, preignition, and rust. Lubrimatic 2 cycle oils are approved for use in all 2 cycle oil injection systems. All Lubrimatic oils meet or exceed specified requirements of all foreign and domestic engine manufacturers. Keep your engine warranty is full force, use only NMMA approved Lubrimatic TCWIII in your outboard!