Motorcycle Repair: Stumbling At Idle, air screw, slow jet

Question
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Followup To
Question -
I have a 2003 Dyna, 88 Cu.In. Stock.
I put a SE stage one kit on.(Air filter)
Rejeted
Main JET 195
Slow Jet 48
Needle shim up .050
Drilled out vac hole to .125
Drilled out plug for air screw
Installed Vance & Hines Short Shots
My problem is at a stop after the engine is warmed up it will stumble or fall flat like it is running out of gas. With a quick twist of the throttle it is clear. This is not often but maybe once in a 100 mile ride. It makes no different in time of the ride.It could be at the first stop sign or the last stop.
Thank You
K.B.Wagner
Answer -
What RPM do you have the idle set at?
Mike
I have no Tack but if I hade to guess I would say 750 - 800 RPM

Answer
Your idle should be set at 900 RPM, so bump it up a little. Your main jet is a little to big for your setup. You should be running around a 180.
Try the above and see if that doenst solve your problem. If it doesnt let me know.
Good luck and happy riding
Mike