are you referring to the Idle set screw? if so counter clockwise should back it out, while clockwise will turn it in. That said, turning it in will open the carb, out will close it. best way to see where you are at with that screw is to remove your air filter so you can see the slide, abnd adjust the idle screw so the slide shows about a 1-1.5 mm opening while the throttle is at idle(slide closed) if you are still having tuning issue, you may want to set your needles back to factory settings which is flush on the LSN and it varies on thebut flush is a safe bet there too, you can always check the manufacturer's website, and probably find that info there.