Hi oldf4RT,

So tell me a bit more about your fuel mod. You added a variable resistor (like a Kev Mod) but it's a 1K pot? Have you wired that in series with the IAT (intake air temperature) sensor?

If so, it sounds like a good idea because it'll both measure the actual ambient air temp, as well as allowing you to "turn down the temperature" to increase the fuelling.

In the previous post (in Newbies) Pleiades mentioned that the current Kev mod is 0 - 10K ohms. I'm therefore guessing that it's probably wired in place of the IAT, not in addition to it? According to Service Manual the standard IAT has a resistance of 2.21 - 2.69K ohms at 20C.

I've installed my Nitro-X module (as per instructions) to replace the IAT, so the ambient temperature no longer has any input into the ECU, but the more I think about this, the more I see it as a disadvantage. I like the idea of wiring the modifier in series with the IAT so you get the benefit of both.

The Nitro-X module contains four resistors which, through setting a four-position DIP switch, allows a variable resistance from 1.259K to 6.830K ohms. From my tests, this allows selection of inlet air temperature from +37C to -4C. Choosing anything above actual ambient temp (say 16C today) will therefore weaken the mixture, of course, so that's of no benefit for our purposes, but choosing anything between 16C down to -4C will progressively richen the mixture.

When you say "Sometimes I think it works and some days not" it makes me wonder if this is due to the change in the ambient temperature? If I set my NitroX to fool the ECU to get 16C when the true ambient is 21C then I'm getting 5 degrees of enrichment, but if the true ambient falls to 16C then I won't be getting any enrichment at all!

I don't really want the hassle of continually tweaking the setting according to whatever the ambient temperature happens to be that day, so that's why I like the idea of wiring the IAT in series.

For the most part, my bike is running really well now (anything over 5-10% throttle) but I still have slight glitches at small throttle openings, in fact as you so aptly put it: "...can't get clean throttle response coming off closed throttle entering corners. Very annoying as it upsets balance and also my confidence."