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Originally Posted by superdave07  just a little thing i have done and it works incredibly well, the engines compression ratio is only 9.5:1 therefore it doesn't support a high octane fuel burn. the higher the octane the colder the fuel is when it enters the combustion chamber if there is not enough compression to support a complete burn of the fuel, there is remaining fuel in the cylinders after combustion occurs and the exhaust valve is not open long enough to scavenge the cylinder completely. i know the owners manual says to burn 92 or higher octane but try this it works for mine. instead of filling the tank with 92 octane blend your fuel 3 gallons 92, 1 gallon of 87 and see what happens if you get a spark knock reduce the amount of 87 and increase the amount of 92 or simply just try a tank of 89 octane. i hope this helps let me know if it works for you.  |
For what its worth. I'm still running stock with 2500 miles on the bike. I've only used 91 octane up to this past weekend. Our town has 1 service station that deals in high octane fuel. I decided to try the 104 octane. It popped quite abit until it warmed up.