Bingo! Just what I was going to suggest. Finding a place to put the thing might be a problem.

Frankly, I don't think it will need it.

A good starting point for the low speed circuit on an airbleed carb is to put the screw in a position so that it fills 1/2 the available hole. It's hard to go wrong using that as a starting point.

Please report back with your results. Keep in mind that we are all beginners with this engine, or at least most of us.