Best fuel additive for 4 stroke outboard

Forums User List Calendar Active Threads Forum Help. Despite climate change winter can still bring freezing temperatures to much of the nation.

Modern fuel has a relatively short shelf life without a preservative.

Best fuel additive for 4 stroke outboard. Well Diesel outboards dont really exist and electric engines lack power and require a big battery. They are sometimes used on lakes but we dont recommend them for the estuary or open sea so we are left with gasoline or petrol as it is known in the UK. All petrol engine outboards both 2-stroke and 4-stroke run on premium unleaded fuel.

Decarb take a can of seafoam put 34 of it in the gas tank with only 1 gallon of premixed gas. Put the rest in a spray bottle. Start the engine and let it come up to temperature.

Then remove plugs and them some real good shot of seafoam into the cylinders replace plugs let sit 15 minutes. Restart and spray the rest of the seafoam into the carbs so the the motor. Ive run my 2006 Merc 50 4-stroke on 10 ethanol fuel since it was new.

Havent seen a single problem. FWIW Ive run my 1991 120 Johnson 2-stroke on the same fuel since new also no problem. Both outboards manuals clearly state 10 ethanol fuel is OK.

Yamaha recommends it as insurance against low quality fuel. Ive done a good bit of research on fuel additives over the years. Ringfree and Mercury Quickleen the same product are concentrated solutions of polyetheramine PEA derivatives.

Its basically the same stuff as Chevron Techron and is an additive in most Top Tier brand gasolines. Aiming to include a cross section of whats on the market Practical Sailor tested five products from five manufacturers. E-Zorb from Marine Development Research Corp.

MDR Sta-bil Marine Formula Ethanol Treatment from Gold Eagle PRI-G from Power Research Inc Star Tron from Star brite and Techron from Chevron. Winterizing an EFI Four-Stroke Outboard. These steps will keep your outboard safe during long-term storage.

Despite climate change winter can still bring freezing temperatures to much of the nation. Like inboards and sterndrives outboard engines are also subject to potential damage from freezing and from being laid up in disuse for months at. Register Log In Home Forums Hunters Campfire Gas additive for 4 stroke outboard.

Forums User List Calendar Active Threads Forum Help. Keep your tank full. Most of the water ethanol fuel absorbs comes from condensation in the tank.

When possible single source station with a lot of traffic. You want to use a service station with a lot of fuel turnover. Not a station with few customers and little turnover in their tanks.

Use some type of ethanol fuel treatment. Posted 10-21-2007 1026 AM ET US According to Yamaha their Ring Free fuel additive helps prevent ring stick and wear and it cleans carbon and varnish There have been many reports of problems in four-stroke motors in the smaller horsepower ranges say below 100-HP with carburetor clogging or malfunction. Liqui Moly Jectron Fuel Injection Cleaner.

Heres a recommendation for a very powerful additive for cleaning fuel injectors and carbon build up. Modern fuel has a relatively short shelf life without a preservative. In as little as six weeks modern petrol can start to thicken and block our engines internals.

Diesel can suffer from organisms growing inside it which can also cause a diesel engine to grind to a halt. And no engine whether it be petrol or diesel will enjoy the taste of water. Which is the best fuel additive for 4 stroke outboard.

YAMAHA ACC-RNGFR-PL-12 Fuel Additive This Yamaha concoction is a potent remedy for 4-stroke outboard motor ills and can perk it up like a potent caffeine energy boost in the morning only it lasts a good while. Just bought Bennington pontoon with Yahama F150LB 4 stroke outboard. Maintence Matters brocuer states need for Yamalube fuel stabilizer and ring free plus should be added to each fill up of fuel.

I fully intend to use ONLY non ethonal fuel Blue Pump. EFI ENGINE STORAGE FOGGING OIL ACC-STORR-IT-32. Part ACC-STORR-IT-32Special lubricant that helps to protect metals against rust and corrosion during off season storage conditions specially designed to mixed with a portable fuel supply to effectively treat an EFI engine cylinders pistons and valves.

Suzuki Outboard Motor Fuel Oil Gasoline Recommendation Suzuki highly recommends that you use alcohol-free unleaded gasoline with a minimum pump octane rating of 87 RM 2 method or 91 Research method. There are various products available which when used at every gas fill up will reduce and even eliminate carbon build up in your engine. Below are several products which can be used and their recommended dose.

Seafoam - 1oz per gallon of gas. Mercury Quickleen - 1oz per 6 gallons of gas. Yamaha Ringfree - 1oz per 10 gallons of gas.