hey ron I just made a bit off a mistake I gave you th einstructions for a solex, p eleven 40 s sorry so now the thing to do is take the other top off the good carb, making sure how it is put together, and do the other one the same using the good carb as a example, sorry , but it is in the float , the problem is , I had gas running out the tops of mine before , this was the cure I am sure check the one with out the problem and the rest is history sorry about the solex mishap later timmy