anything can be tried... and I always say, "if you're gonna end up spending the money anyways, try the cheap way" the worse thing you could do is learn that it doesn't work. of course come back and tell us how it went, so that we will know for the future. I don't know to many people out there who've tried mixing the different needles and jets, it may very well work, but you're navigating through uncharted teritory... most of us can tell you generally how to adjust the mix.
For what it's worth, if you're running good in the low and mid range of the
RPMs, I'd be inclined to tell you to raise your needle one slot, or even a half a slot, so at full throttle, less of the needle will be in hole, by changing just the jet, you will get more fuel all the way across the board, where raising the needle will have less of that effect and more effect toward the top end.
Secondly, our roadstars can run VERY rich, but won't RUN lean (without acting like you're running out of gas.) and, running your roadstar rich can lead to problems. especially if you're riding an '04 or newer. they frequenly develop a sticky exhaust valve from the carbon build up. so if you think you're running a little bit on the lean side, you are set up perfect. You might also try adjusting the
PMS for a slight adjustment, I KNOW I'm a little on the lean side with my set up. but I'm not doing any adjustments untill the weather here gets a little warmer (bikes get lean in the winter). I'm hoping spring time will show that I'm now adjusted perfect, but if I'm still slightly lean, I'll turn the PMS out 1/8 to 1/4 of a turn, and this I know will richen up the mix in all ranges.
well this is probably more info than you wanted, but I don't mind talking about my bike (hahaha). If you're interested, or want more info, tell us SPECIFICALLY what symptoms you are having and when and prehaps we can help you more ~Guido
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