View Full Version : RACING FUEL
05-16-2003, 05:58 PM
has anyone tried pumping a high grade, high octane fuel into the capo? such as VP RACING FUEL, SUNOCO 100, ETC.
What for? Unless the engine exhibits detonation on the fuel I'm using now, use of a higher octane fuel gets me exactly zero benefit.
micah apriliaforum com
05-17-2003, 05:27 PM
Try Nutech or VP MRX01...the vp is 90 octane and 8% oxygen....it will make a lot more power if your mixture is currently slightly rich....
Didn't realize he was using his Caponord for on-track racing, and it's unclear to me what his problem or goal is, assuming he has any. For those of us who use a Caponord for normal purposes, it may be difficult to find special fuels each time we need a fill-up. So it may make more sense to correct problems, if any exist, than attempt to mask them with special fuels. Who knows - if a more oxygenated fuel corrected a complaint, might not a fresh, clean air filter element accomplish the same thing? It's hard to recommend a solution when you don't know what the problem is.
05-18-2003, 08:21 AM
my bike has no problems, but it seems that this 2500 RPM stumble has everyone looking to reinvent the wheel. with all the talk about tuning and changing setting i would start looking at basics. is it a fuel problem or a electrical problem, or vacume problem. i know that different bike like different fuels..from carbs to EFI. I've also noticed that some riders are chasing the problem with every new post....step back for a second, and try differet fuels..you may be surprised. no don't run it straight..but if you have a headache try a asprin before you have brain surgery.
just my 2 cents,
I couldn't agree more about keeping the diagnostics simple rather than rushing at the ECU every time the bike hiccups. Now that I understand what your original post was in reference to, it makes sense. Thanks for the explanation.
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