I've been unable to solve this little problem and need some advice. After installing the Hot Cams exhaust cam, I have been having problems with the bike not running correctly once it is up to operating temp.(sluggish, will not idle, dies and will not restart). I've cleaned the carb, checked and rechecked valve clearances, replace the coil... it checked bad). The one thing that it is doing that has me baffled is that I can screw the fuel screw ALL the way in and it still runs ? Does anyone have any idea as to what is going on here???