why ask the same question tweice in a row... look on the side of your carb, will have somthing written on it. usually dellorto. google dellorto.. first page you find is the homepage where you will find a FULL exploded diagram of any carb they make please dont repeat post next time as it doesent get more answers, it just annoys the staff
so look up there website.. will work the same as a dell anyway. clip go's at the bottom fo the spring and holds the needle in the slide..