07
Dec
Consumers running outboard engines dont want ethanol in the first place and the move to E 15 could spell trouble. Ethanol has a lower ignition point than gas.
Ethanol has a lower ignition point than gas.
Ethanol gas in outboard motors. Whats the problem with using ethanol-gasoline in outboard engines. Ethanol is added to gasoline to raise the octane level allowing it to burn efficiently in a combustion engine. Ethanol is generally derived from corn and is considered a renewable fuel.
There is something in your fuel that can cause a great deal of harm and trouble to your outboard motor. Ethanol fuel has the capability of damaging your boats motor and fuel system but by understanding what it is and how it can damage your engine you can protect yourself from costly repair bills. Due to increased environmental concerns and the search for sustainable fuels we now have.
So how do you prevent fuel issues with your outboard motor. First if possible buy ethanol-free gas or use an additive in your gas if you purchased a premium gas containing ethanol. Second do not let the gas sit in your motor for more than two weeks.
If youre done boating for the year we suggest you winterize your motor to prevent these issues. Lastly replace your fuelwater separator every 100 hours. IS ETHANOL GAS BAD FOR BOAT MOTORS.
This is where it gets confusing. E15 is not good for boats. Do not put E15 into your boats motor.
Using E15 in your boats motor can cause unfixable damage. You could find yourself with complete engine failure and all the safety risks that come with using a fuel incompatible with your boats engine. However E10 is good and compatible with all.
Ethanol will burn up my engine. Ethanol has a lower ignition point than gas. Ethanol has about 115 octane and E85 has 105 octane.
It burns cooler and will extend engine life by preventing the burning of engine valves and prevent the build-up of olefins in. Ethanol remains the leading culprit of fuel issues in gasoline-powered marine engines ethanol is corrosive its a solvent and it absorbs moisture. In a boat its nothing but trouble.
The obvious action is to not fuel your boat with an ethanol-blend gas. Mercury outboard and sterndrive products should NOT have fuel added that exceeds 10 Ethanol. The use of alcohol in gasoline is increasing as an alternative to petroleum based fuel and used in reformulated oxygenated fuels however some drawbacks you may encounter to this technology for use with marine engines are.
Corrosion of metal parts. All the newer Yamaha outboards and their components have been designed to withstand the corrosive properties of ethanol fuels so if you cant find an ethanolfree gas pump in your area or you prefer to run the E10 gasoline I suggest you run the manufacturers stated octane fuel and also subscribe to the major brand-name fuel suppliers that add detergents and lubricants like Techroline to their fuels. Do not put any fuel containing more than 10 ethanol E10 in your boats fuel tank or outboard motor EPAs decision only applies to 2007 and newer highway vehicles unless your owners manual specifically states otherwise.
The ethanol blended fuel E-10 refers to fuel that contains 10 percent ethanol and 90 percent gasoline. Similarly E-85 refers to fuel that contains 85 percent ethanol and 15 percent gasoline. E-85 is intended only for engines specially designed to accept high-ethanol content fuel blends such as the Flexible Fuel Vehicles FFV made by some car companies.
Outboard motors are particularly sensitive to problems dealing with gas mixed with ethanol. The gas will often sit around for long periods and is often exposed to high humidity conditions. For that reason it is not unusual for outboards to accumulate water in the system.
Just depends on the equipment your running my outboards are too old to run blended gas but newer ones especially four strokes are engineered to run on the stuff. I have occasionally run ethanol through my 1980 evinrude without consequence but i wouldnt do it all the time. Is It Ok To Use Ethanol Gas In A Boat.
You can run ethanol fuel in a boat. Though it is strongly recommended that non-ethanol fuel be used. There can be damaging and costly effects done to the engine due to using ethanol fuel.
Here are all of the reasons why it is not recommended to use ethanol. As well as what you need to know if you are going to use ethanol in your boat. What Is Ethanol Fuel.
The RF is good for Ethanol fuel as well as NON-ethanol fuel. Been using it with Non-Ethanol since 2007 in the boat and EVERY other gas machine I own Ethanol drive ride. Customers small machines as well.
Should you need to shock your engine its TWO oz ONE Gallon. Six gallons is plenty. Summary of Ethanol E10E15 Effects.
E-10 Ethanol Gas dissolves varnish in the fuel system and can gum up lines and passages clogs jets. Phase separation leaves a layer of water and alcohol at the bottom and degraded gasoline at the topboth can ruin an engine. Degraded gasoline loses octane about 3.
Consumers running outboard engines dont want ethanol in the first place and the move to E 15 could spell trouble. The best fuel choice for your boat is always going to be fuel with no ethanol at all if thats an option where you live or boat. ETHANOL FUEL IN OUTBOARDS.
According to Ken the primary reason is the extremely short shelf-life of E10 which is around two weeks from the time it leaves the refinery. The fuel literally goes stale after this period and has to be ditched because of phase separation. Hoses deteriorate more quickly if your engine uses gasoline blended with alcohol.
Fuel blended with methanol makes fuel lines brittle while an ethanol mixture makes them soft. This means that the best way to avoid alcohol damage is to use alcohol-free fuel. All flexible fuel lines must be USCG approved SAEJ1527 hose which is resistant to alcohol.
This will ensure a long way to protect your investment in your Yamaha outboards from ethanol issues. If you use your Yamaha boats less frequently or only on weekends or only during the boating season it would be wise to keep your fuel level of the tank at 78 full with properly stabilized and filled with fresh gas. All of the outboards made in about the last 25 years are designed to be able to handle 10 ethanol added gasoline with no issues.
Many of us in the area have been using this fuel for the last many years in all of your vehicles motor cycles snow mobiles. Ethanol Effects Erics Outboard Marine Service Inc Miami FL 305 251-4067 Pure Gas Rec 90 Gas Yamaha Outboard 1 5 Star Key Dealer. Ever since E10 gasoline gas containing 10 ethanol became widely available several years ago the USAs largest recreational boat owners group BoatUS has received hundreds of calls and emails complaining about boat engine problems.
The majority of complaints concern older outboard motors those made before about 1990.