hi guys,i haven't been on for a while,weathers just breaking now in the uk. need some advice if anyone can help. my bike will not run smooth at average speed,i have upgraded to the 585 cam,thunderheart adjustable ign super g carb,but still very juddery when running in traffic. any ideas ? only thing I haven't changed is the coil,but ive been told that it wouldent be that.