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any of the three are fine, just try to find it without ethanol if possible.

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what is ethanol ?

Ethanol is a clear or nearly clear alcohol based fuel. The greenies believe that adding it to fuel causes less pollutants. Which may be somewhat true. In my opinion the positive effects of the alcohol are offset by the lower fuel economy and many other issues that it causes.:thumbsup:

It's the single most harmful addative in today's fuel.:lol:

Basically if you leave ethanol blended fuel in any container (gas can, fuel tank or carburator) it starts to oxidize and react with rubber hoses and metals. It's really an issue with boat motors, since ethanol absorbs water. Not a good combination when your engine is being used on the water. Any fuel that isn't going to get completely used up immediately should be treated with some sort of stabilizer formulated for ethanol.

If you can find fuel without ethanol it's more expensive and not easy to find.

Obviously you haven't been exposed to the negative effects of the stuff.

As to the original post, we just use super unleaded (92?) and never have any issues (except the ethanol).:ride:

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will octane booster preserve the fuel

Store your fuel in a well sealed steel container and it will last a year, or more.

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Ethanol is a clear or nearly clear alcohol based fuel. The greenies believe that adding it to fuel causes less pollutants. Which may be somewhat true. In my opinion the positive effects of the alcohol are offset by the lower fuel economy and many other issues that it causes.:thumbsup:

It's the single most harmful addative in today's fuel.:lol:

Basically if you leave ethanol blended fuel in any container (gas can, fuel tank or carburator) it starts to oxidize and react with rubber hoses and metals. It's really an issue with boat motors, since ethanol absorbs water. Not a good combination when your engine is being used on the water. Any fuel that isn't going to get completely used up immediately should be treated with some sort of stabilizer formulated for ethanol.

If you can find fuel without ethanol it's more expensive and not easy to find.

Obviously you haven't been exposed to the negative effects of the stuff.

As to the original post, we just use super unleaded (92?) and never have any issues (except the ethanol).:ride:

Super Unleaded is 92 Octane level there? Here in aus the Super stuff or 'Ultimate' is 98 octane. We quite often run 98 octane in the cars we dyno tune, then add a booster to bring it up to about 102 octane! nice one!

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Super Unleaded is 92 Octane level there? Here in aus the Super stuff or 'Ultimate' is 98 octane. We quite often run 98 octane in the cars we dyno tune, then add a booster to bring it up to about 102 octane! nice one!

our fuel is rated on the RON (reasearch octane number), while in the U.S they're fuel is rated on the MON (motor octane number) which gives a lower reading for the same fuel as the RON reading, in other words, they're 92 is the same octane as hour 98.

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Original poster is listed as from Denmark, so who knows what is best? different octane measurements around the world as well as different additives required but always choose the highest octane/best grade for a high performance bike.

Joe

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landing-stabil.jpg

There is no need for chemicals, like Stabil, if you store your fuel in a well sealed steel container. A 5 gallon Eagle Safety can costs about $35 and if you use one, your fuel will last without the need for additional chemicals. The last thing you want to do, especially if you use expensive oxygenated and leaded fuel like VP U4.2, is store it in a plastic race jug because the light ends of the fuel will boil out of the porous plastic and UV light will destroy the lead in the fuel. Store you fuel in a steel can like this and you will avoid all those problems and your fuel will stay fresh indefinitely.

UI50S_UI20FS.jpg

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