i just bought 2003 1200 sportster it was a dud compared to the jap bike i am used to put super trap 2 exaust on it and had carb jetted and tunned for exaust i relly wanna like this bike but it won´t go fast its a terd has 2600 miles what can i do next head jugs what please help my 750 shadow will smoke this bike the work i did help alot but still got a long way to go