Gumout Multi-System Tune-Up 473 mL


  • $36.85
    Unit price per 
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Gumout Multi-System Tune-Up 16 oz - 510011
All engines develop performance issues over time, whether they're gas, diesel or ethanol. Carbon deposits reduce performance and fuel economy. Water and ethanol corrode key engine parts. Gumout Multi-System Tune-Up is the most advanced engine treatment technology that treats all engines from cars to lawn mowers with a special blend of premium cleaning agents, anti-oxidants, and corrosion inhibitors. It cleans and conditions using premium ingredients, like PEA (polyether-amine), to help maximize performance, fuel economy and engine life. Multi-System Tune-Up can be added in the gas tank, the crankcase or via induction.

GDI/direct and port/indirect fuel injectors, carburetors, intake valves and ports, piston tops, cylinder heads, combustion chamber and crankcase
Gasoline, ethanol blend and diesel fuels to fight ethanol and water corrosion, fuel and oil to fight deterioration/destabilization
Future carbon buildup
Best for
Maximized performance and fuel economy, reduced emissions, fuel stabilization

  • Add to fuel: For optimal results, add entire can to the tank. Fill the tank with fuel and run to near empty before refueling. One pint treats 18-21 gallons of all types of gas or diesel fuels.
  • Add to oil: Add one ounce per quart of oil. Immediately start engine and run for 5-10 minutes to mix completely.
  • Vacuum Intake Cleaner: May be used with engine decarbonizing equipment through the vacuum system to clean intake manifold, valves and combustion chamber. Follow recommended mechanical procedures for the equipment.
  • Small 4-cycle engines: Add to gasoline using ¾ to 1 ounce per gallon of fuel.
  • Small 2-cycle engines: Add to gasoline using ¾ to 1 ounce per gallon of fuel. Add 2-cycle oil as recommended by engine manufacturer. Gumout® Multi-System Tune-Up does not replace 2-cycle oil.

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