Get the correct software and hardware and tune it the right way. My Buell had a Dobeck TFI which is pretty much the same thing. The Buell normally looks after the tuning by itself with adaptive modes based on the O2 sensor. The TFI connected to the O2, temp, and both injectors. It ran when I got it, and after getting the tuning software and making the cable I found a bunch of error codes. Ditched the TFI, put the stock muffler back on, and reset the error codes. Runs a lot better now. When summer gas gets back in the pumps I'll start tuning the few rough spots that are still left.
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