Motorcycle Repair: Twin Cam EFI Performance, efi performance, dynojet power commander

Question
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Followup To
Question -
I have a 2004 TC88 with SE Air, SE Slip ons, and SE 203 CAMs. The problem is I notice a misfire when running between 2000 and 3000 RPMs. Performance seems OK but gas mileage is around 30 mpg (it was 40 before the modifications). Any idea of the cause and solution?
Answer -
Is this bike carbed or injected?  

Sorry, forgot a major detail it is fuel injected.

Answer
the bike is running to lean. The ONLY WAT TO CORRECTLY TUNE THE BIKE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Have a Dynojet power commander USB installed and then have it tuned with them making you a custom map. You will never get the bike tuned correctly any other way. End of story.  Johnny