It is the Gold or sometimes Black knob in the centre underneath the carbs.
Do the revs increase if you turn the bars as this would suggest the cables are adjusted up far to tight !! You should be able to de/adjust the cables at the throttle housing on the bar.
Do the revs increase if you turn the bars as this would suggest the cables are adjusted up far to tight !! You should be able to de/adjust the cables at the throttle housing on the bar.