Car. Truck. Inboard. Motorcycle. Tractor. Snowmobile. Outboard. Snowblower. Lawnmower. Chainsaw. Auto; Marine; Fleet. EPA registered. Cleaner engines can reduce emissions. Helps reduce hesitations and rough idle. For gas and diesel engines to help: clean injectors; clean carb jets; stabilize fuels; control moisture in fuels; quiet noisy lifters; clean deposits; add lubricity to fuel; lube upper cylinders; de-ice & anti-gel. Use in gas, gas-ethanol blends, diesel or biodiesel blends. Use in oil. Use in injector & induction cleaning machines. Internal engine use only: 2-cycle; 4-cycle; Diesel; Cars; trucks; boats; tractors; small engines. When aerosol Sea Foam is desired, use Sea Foam Spray Top Engine Cleaner & Lube. Guarantee: Sea Foam is sold on the basis of: your money's worth or your money back. Facebook. This gasoline additive is safe for use in all gasoline engines. This diesel fuel additive complies with the federal low sulfur content requirements for use in diesel motor vehicles and non-road equipment engines. For more information go to: www.seafoamsales.com. Since 1942. Steel. Quick Action: A petroleum-based product for use in all gasoline and diesel type engines, both 2-cycle and 4-cycle engines. Sea Foam can be used continuously in all fuels or preventative maintenance. Oxygen sensor safe. Cleans dirty engine parts internally by helping remove gum, varnish and deposits. Works and performs quickly. Helps control moisture in fuel tanks. Helps stabilize and condition fuels for engine storage. Helps reduce hesitations and rough idle due to deposit build-up. When Added to Crankcase (Oil) Helps: Quiet noisy lifters and clean dirty parts due to deposit build-up one pint of Sea Foam will treat 16 quarts of oil. (Use 1 oz. per qt) For use in all motor oils including synthetic. Can be used before or after oil change. When oil becomes dirty, change oil. When Used in Fuel Line, Vacuum or Induction Systems Helps: Clean intake valves & pistons due to deposit build-up; Reduce hesitations & rough idle due to deposit build-up; Restore power & pickup lost due to deposit build-up; Clean throttle plate due to deposit build-up. The safest and most effective way without professional assistance to induce Sea Foam into the top end of engines is to use Sea Foam Spray Top Engine Cleaner and Lube with cleaning tube and patented S-Tool Hook Guide. To perform this procedure through the air induction systems on all 2-cycle and 4-cycle engines just follow all instructions and illustrations on the Sea Foam Spray Top Engine Cleaner and Lube can. Sea Foam is not for use through diesel air intake systems. Very Important: Only professional certified technicians should use the vacuum cylinders, as this varies with every engine. For use in injector cleaning machines, use 50% Sea Foam 50% fuel. For use in induction cleaning machines as directed. Prime diesel fuel filters with Sea Foam for best results to help clean injects. Safe to use Sea Foam Motor Treatment with a higher ratio in fuel for cleaning. A ratio of 50% Sea Foam and 50% fuel maximum. When Added to Gas or Diesel Fuel Tanks Helps: Clean fuel injectors & carb jets due to deposit build-up. Control moisture in fuel. Condition diesel fuels, de-ice & anti-gel. Lube upper cylinders. Stabilize fuels. Use 1 oz. per gallon in all types of gas or diesel engines, including all oil-injecting 2-cycle engines. When used in small (2-cycle or 4-cycle) engines helps: Restores power lost due to deposit build-up. Control moisture in fuels. Clean injectors and carb jets due to deposit build-up. Smooth rough idle due to deposit build-up. Stabilize fuels. Use 1 oz. per gallon on all 4-cycle engine fuel and all oil-injected 2-cycle engine for use 2 oz. per gallon on all 2-cycle pre-mixed fuel. Add more to clean, less to motor. Does not replace oil. Use continuously. For tune-up of smaller engines, induce Sea Foam direct into fuel line or air intake system while engine is running. Stop and let soak for 5 minutes, restart engine to clear extreme exhaust. Repeat as needed. To store and fog engines, slowly induce Sea Foam into air intakes and spark-plug holes, saturating internal parts. When aerosol Sea Foam is desired, use Sea Foam Spray Top Engine Cleaner & Lube. Use Sea Foam every 2,000 to 5,000 miles for maintenance. Blended and packaged in USA.