try opening the throttle when starting or leaving it closed if your opening it. Or Thundermax with autotune. Or a $400 dyno tune.
I paid $380 and it was worth it when i had the PClll

 

A good Dyno Tune/tuner with A PCIII installed.....

Most Downloads are as useless as used toilet paper in my book.....

 

I've got a Harley dealership here that has the tuning link. Problem is I don't know if they know how to use it. The other problem is it's a Harley dealership and you don't always get what you pay for. They are closed Sun and Mon. Gonna go by there today and actually talk to the tech who does the tuning. Anything special I should ask him to see if he know what he's doing? I know I will need a custom tune written. I have the dyno sheets from the previous owner and that's what Doc's in St. Louis did for him. Pulled the plugs today and they are a little white so I know it's lean. Not gonna ride it until I can get it tuned.