Jan 27, 2010 #1 J James Active member Joined May 13, 2008 Messages 2,098 Reaction score 0 Points 36 My Exciter 570 doesn't have quick throttle response anymore, and it sputters horribly around 4000-5000 rpm. It only gets to about 6000rpm tops, and idles too high and too low What can I do to fix this? Is this a jetting problem re spark plug issues?
My Exciter 570 doesn't have quick throttle response anymore, and it sputters horribly around 4000-5000 rpm. It only gets to about 6000rpm tops, and idles too high and too low What can I do to fix this? Is this a jetting problem re spark plug issues?