Originally Posted by thump!
If you haven't already done so, remove the EPA seal over (actually under) the idle mixture screw and back that little guy out about 1/2 - 3/4 turn. Makes a huge difference in starting.
The idle mixture screw had already been unplugged and messed with. I'm setting it at two turns out from fully seated to start with. The jetting in the carb is all stock with the idle jet being #37.5 and the main jet is a #135. It seems to run well even with the airbox cutout and the cobra pipe but I suppose it should be running lean.
Thanks for the suggestions.