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seems to run good on 87 .... if the advice is too go by the book on everything else.....why vary on fuel:rtfm:
What octane number should you buy?
Modern fuel-injected engines have engine management systems that can adjust to burn almost anything. However, if the octane rating is too low, the engine management system will have to richen the mixture and retard the timing to prevent destructive knock, resulting in lowered gas mileage. As you increase the octane rating of the fuel, you will hit a point where the engine management system can run the engine at optimum levels.
Well the big question is, what sensors do these motors use?
If they have the full suite, O2 (they do for sure), MAP (guessing they do), Mass Air (again this one for sure), after cat. O2 (probably not), knock (Probably not, though they might), then we would know the capabilities of the management system.
My next question is which is more effective or efficient, the stock management system, the one off of a R6, or a Mega Squirt system? Might be fun to play around with something that tuneable.:thumbup:
Our bike does not have these capabilities. :banghead:
What octane number should you buy?
Modern fuel-injected engines have engine management systems that can adjust to burn almost anything. However, if the octane rating is too low, the engine management system will have to richen the mixture and retard the timing to prevent destructive knock, resulting in lowered gas mileage. As you increase the octane rating of the fuel, you will hit a point where the engine management system can run the engine at optimum levels. At this point you have best gas mileage and best power. If you continue to increase the octane rating of the fuel, the engine management system does nothing, so all you are doing now is burning more expensive fuel for the same result. So, buy the lowest octane number that you can and still get your best gas mileage.
In the winter, or when it's very humid, you can often lower the required octane number. In very dry heat, for example in Texas, New Mexico, Arizona, S.California, you will most likely need to raise the octane level a bit to get best gas mileage.
THE ABOVE IS A QUOTE FROM BELOW
All About Gasoline
I feel sorry for you!!! the fact is we pay way to much for gas, and the fact that you think our gas prices are cheap tells me your getting raped at the pumps!!!Damn..I had a reply written and it got wiped!!
Anyways my point was that you guys in the USA have NO idea what expensive fuel is!! Just from reading the first few posts on page one of this post it is clear that you find 3.54 dollars per US gallon to be expensive ?? Huh?? Thats really cheap!!
Our fuel costs a hell of alot more. They work out to be exactly 5.91 dollars per gallon and that is just the lower end. Some petrol stations are charging 6.95 dollars per gallon.
You guys should be happy that fuel is cheap in the US.
I feel sorry for you!!! the fact is we pay way to much for gas,