Originally Posted by 34nineteen
OK, dont replace the sensor then. Do whatever you want.
PS. Having the service manual and actually reading it are two separate things.
Here is your award. Sorry the problem wasnt easier to solve.
Gonna leave that post as is. I read through the whole thread and found your most likely problem.
Tune came from Revision Moto.
That right there is 99% of your issue. Want to actually fix it? Get an ecm from IDS (www.idspd.com) that matches the exhaust you have on the bike. IF it actually *is* a Buell factory P&A race exhaust, then this is the part you need to order. https://idspd.com/xcart/buell-xb12-04-07-pa-ecm.html
Install that, do a TPS reset (I highly recommend the CMI-Lite tool, which is also available from IDS) *CORRECTLY* and most likely your problems will be done and over with.
If it still doesn't run correctly after that, then odds are the O2 sensor could be a problem. It does happen on occasion, but not often. As pointed out above, it is NOT a difficult process to replace it.
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