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Professional mechanics and do-it-yourselfers everywhere rely on this product every day. Sea Foam Motor Treatment dissolves and cleans fuel and oil residues and deposits, stabilizes fuel, controls moisture, and lubricates upper cylinders. Safe and effective when added to gasoline and diesel fuel and oil crankcases – Just pour it in!

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Sea Foam Motor Treatment works quickly, safely and effectively in all makes and types of gasoline and diesel auto and truck engines. Sea Foam cleans and dissolves petroleum residues and harmful deposits throughout fuel and oil systems, adds lubricity and corrosion protection to engine parts, stabilizes gas and diesel fuels, controls small amounts of moisture and preserves ignition vapors.

Sea Foam only contains highly-refined petroleum ingredients. It does NOT have harsh detergent of abrasive chemicals that can harm your engine.

Sea Foam is trusted and used extensively by fleet mechanics throughout North America and abroad for its ability to keep gas and diesel engine equipment running clean and lubricated for longer engine life. Sea Foam Motor Treatment is offered in pint, gallon, and drum volumes wherever automotive products are sold.
Use Sea Foam Motor Treatment in gas and diesel to stabilize fuel, dissolve harmful residues and deposits, add lubricity, and control small amounts of moisture. When added to diesel fuel filters will restore injector spray patterns and reclaim lost power by removing soot and carbon from injector nozzles. When added to crankcase oil, Sea Foam will clean deposits and contamination, restoring flow to restricted oil passages.
Sea Foam Motor Treatment works quickly, safely and effectively in all makes and types of marine engines. Whether gas or diesel, inboard or outboard, 2 or 4-stroke, carburetor or injection, Sea Foam will clean engines and restore lost power by dissolving sticky petroleum residues and harmful deposits, stabilize fuel and lubricate engine parts for long-term protection and wear life, control small amounts of moisture, and preserve ignition vapors for easy starts. Sea Foam only contains highly-refined petroleum ingredients. It does NOT have harsh detergent or abrasive chemicals that can harm your engine.
Start easier, run cleaner, run smoother … Last longer! Whether 2 or 4-stroke, carburetor or injection, Sea Foam Motor Treatment works quickly and safely to clean and restore lost power, smooth rough idles, and improve starts by dissolving sticky petroleum residues and harmful deposits. Sea Foam adds upper cylinder lubricity for longer wear life, stabilizes fuel and lubricates engine parts for long-term protection, controls small amounts of moisture, and preserves ignition vapors, even in the coldest temperatures. Sea Foam only contains petroleum-based ingredients and cannot harm your engine.
Whether a 2-stroke chainsaw or trimmer, or a 4-stroke mower or snow blower, Sea Foam Motor Treatment works quickly and safely to dissolve sticky residues and harmful deposits that plague small engines. Sea Foam helps to clean and restore lost power, smooth rough idles, and improve starts. Sea Foam also adds upper cylinder lubricity, stabilizes fuel for long-term protection, controls small amounts of moisture, and preserves ignition vapors, even in the coldest temperatures. Sea Foam only contains petroleum-based ingredients and cannot harm your engine. Remember: Engines that start easier, run cleaner, and run smoother will last longer!
From your 2-cycle weed trimmer to your 4-cycle outboard to your diesel bulldozer, Sea Foam Motor Treatment works quickly, safely and effectively in all makes and types of gasoline and diesel engines. Will clean and dissolve petroleum residues and harmful deposits throughout fuel and oil systems, adds lubricity and corrosion protection to engine parts, stabilizes all types and blends of petroleum fuels, and controls small amounts of moisture. Sea Foam only contains petroleum-based ingredients and cannot harm your engine.
When added to diesel or gasoline fuel, Sea Foam Motor Treatment works quickly, safely and effectively to clean any and all types of carburetor or injection systems. Sea Foam dissolves gum, varnish, and other harmful residues and deposits from injectors, carb jets, intake valves, pistons, and combustion chambers. Sea Foam also stabilizes and adds lubricity to fuel, protecting carburetors and injectors from fuel oxidation and corrosion during long-term storage periods.
Sea Foam Motor Treatment helps to dissolve fuel residues and deposits that impair injectors, carb jets, and fuel passageways. When using Sea Foam for cleaning, add more to fuel. Sea Foam is a formulation of highly refined petroleum ingredients that cannot harm engines. The more you add to fuel, the better it cleans!
When added to fuel, Sea Foam not only cleans wherever fuel is delivered, it also adds high-temp lubricity to pistons and upper cylinders! When using Sea Foam for cleaning, add more to fuel. Sea Foam is a formulation of highly refined petroleum ingredients that cannot harm engines. The more you add to fuel, the better it cleans!
Oxidized fuel, known as gum and varnish, is the most common cause of engine problems. When added to fresh fuel, Sea Foam Motor Treatment resists the oxidation of petroleum fuel molecules – That’s why Sea Foam is so widely known as one of the best long-term fuel stabilizers. When added to troubled engines plagued be oxidized fuel, Sea Foam will quickly dissolve the gum and varnish residues that have already formed, helping to recover normal engine function.
All petroleum fluids, including motor oil, are prone to harmful petroleum deposit and residue formations. Deposits are always developing and building in crankcase oil, and as they form, are no longer liquid and will remain in the engine to restrict passageways and form sludge. Adding Sea Foam Motor Treatment to any type of conventional or synthetic crankcase oil will dissolve and reliquefy harmful deposits, allowing the old contaminants to easily drain out when changing your oil and filter.
Not only do sticky petroleum deposits and residues form in crankcase oil, they quickly start to form and build on internal parts such as hydraulic timing chain tensioners, valve timing actuators, and lifters. When added to crankcase oil, Sea Foam Motor Treatment will clean and dissolve deposits from internal parts. To minimize or prevent harmful oil formations, add Sea Foam to crankcase oil before every oil and filter change.
Stabilizing fuel means to help fuel resist the oxidation and evaporation of petroleum hydrocarbons. Oxidized fuel, known as gum and varnish, is the most common cause of poor engine function. Unlike most other gas and diesel fuel stabilizer products, Sea Foam Motor Treatment is also a high-temp cleaner and upper cylinder lubricant – Sea Foam will dissolve gum and varnish that has ALREADY formed, overcoming lost engine power and function. More, Sea Foam resists fuel evaporation, adds petroleum lubricity and corrosion protection to engine parts, and will hold a fuel’s flashpoint over a long storage period. Sea Foam only contains highly-refined petroleum ingredients. It does NOT have harsh detergent of abrasive chemicals that can harm your engine.
When added to fuel, Sea Foam Motor Treatment helps to solubilize (disbursed micro bits) small amounts of moisture that can lead to corrosive fuel/ water mixtures or fuel line freeze ups. When solubilized, moisture in fuel will evaporate when exposed to intake heat.
Any gasoline or diesel engine benefits from fuel lubricity. Sea Foam Motor Treatment adds high-temp petroleum lubrication to upper cylinders, helping engines to run cleaner, run smoother and last longer. When used to stabilize gas or diesel fuel, Sea Foam’s petroleum lubricity helps to protect fuel system parts from corrosion during long periods of fuel storage.

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SEA FOAM MOTOR TREATMENT TECH TIPS & VIDEOS

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Sea Foam Official video: Outboard cleaning and storage, ‘Can and Hose’ method

WATCH THE VIDEO

‘Can & Hose’ to the rescue! 

Using the ‘Can & Hose’ method is an easy and cost-effective way to deliver a high cleaning concentration of Sea Foam Motor Treatment to an outboard’s intake and […]

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Sea Foam video: How to liquefy crankcase oil deposits

Check out this quick video on how easy it is to add Sea Foam Motor Treatment to crankcase oil.  It’s as easy as 1-2-3!

1. HOW:  Just remove the oil filler cap and pour 1 to 1.5 […]

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