Opinions on preliminary tune welcome----

My research says I need around a 40 for the primary jets.
DR--------

The 512 is a 51 jet.

Unfortunately your research is incredibly wrong. You should need around 58's.

You also need to make sure your gas level is just below the inspection holes at idle or immediately after you turn your engine off . If it has a sight glass it sould be around 1/4 way up the glass.