So my 1996 vulcan classic 1500 had a charging problem so put in a new stator and rectfier fixed the charging problem. Now it shakes like hell when you give it any kind of throttle.bought new plugs wires coil and had carb jets redone. It iddles great sounds good no backfire im baffled im preety good with bike motors this has me baffled. Any ideas wiuld be greatly appreciated.