Marine PRO is a complete marine fuel system treatment. It works in fuel systems to clean and lubricate critical marine engine areas and stabilize fuel up to two years. Safe for all 2- and 4-stroke gasoline marine engines, inboard and outboard. Add Marine PRO to every tank of fuel to help your marine engine start faster, run smoother, and last longer.
RUN SMOOTHER
LAST LONGER

ADD TO FUEL
It works through fuel injectors and carburetors to safely remove harmful engine residues and deposits from fuel passageways, intake valves, pistons and chamber areas.
USE as a fuel stabilizer
It helps fuel resist evaporation, preserves ignition vapors, adds protective lubricity, and prevents the formation of gum and varnish in fuel systems.
Marine PRO is
SAFE AND EASY TO USE
Just pour it in! Marine PRO is an easy way to help any gasoline marine engine start easier, run smoother, and last longer.
FOR GASOLINE
MARINE ENGINES
Add Marine PRO to your fuel to clean and protect critical engine areas. Marine PRO is specially formulated to maintain maximum horsepower and performance.
HOW MUCH?
For regular fuel system maintenance, add 1 oz. per 1.5 gallons of gasoline. 1 can treats up to 30 gallons.
For cleaning, add 2 or more oz. per gallon to a low tank of fuel – the more you add to fuel, the better it cleans!
For stabilizing fuel, add 1 oz. per gallon.
For professional cleaning machines, use 50/50 mixed with gas. For priming marine fuel filters, use 100% Marine PRO. For 2-stroke pre-mix, add 2 oz. per gallon.
For cleaning, add 2 or more oz. per gallon to a low tank of fuel – the more you add to fuel, the better it cleans!
For stabilizing fuel, add 1 oz. per gallon.
For professional cleaning machines, use 50/50 mixed with gas. For priming marine fuel filters, use 100% Marine PRO. For 2-stroke pre-mix, add 2 oz. per gallon.
HOW OFTEN?
Add Marine PRO to every tank of fuel to help your marine engine start faster, run smoother, and last longer.
ADD TO FUEL FOR STORAGE
Marine PRO helps stored fuel resist evaporation, preserve ignition vapors & prevent gum & varnish formation. Stabilizes fuel up to 2 years.
HOW MUCH?
To stabilize fuel for storage, add 1 ounce per gallon of fuel. After stabilizing fuel, run the engine long enough for the treated fuel to work all the way through fuel injectors or carburetor passageways.
HOW OFTEN?
Add to every tank of stored fuel. For best results, add when fuel is fresh.
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