Lucas Marine Fuel Treatment is specifically designed for watercraft engines and fuel systems, addressing common issues often faced by owners. The powerful cleaning agents, including polyether amines, effectively combat corrosion and deposit buildup in fuel lines, carburetors, and fuel injectors, while also providing necessary lubrication and protection for essential engine components. This versatile treatment, suitable for both gasoline and diesel engines, is recommended for use with both 4-stroke and 2-stroke engines. Simply add approximately 3 fluid ounces for every 10 gallons of fuel, before or after fueling, to guarantee smooth performance and prolong engine lifespan.