take out the 45 pilots, try 42's no need to go up unless you get excessive popping. did you have a flat spot that caused you to go with the tbs needles? if you can get it on a dyno and find out that a/f

Frank

(Former)05 BA tbike pipes, ai removed, Freak, mikuni hsr 42's, 904, ported/polished head, 1mm oversized valves NOW-2010 silver and black tbird