I believe you should take the boat to your pond, start it up and run it. After about 30s-1m run it at WOT. Listen carefully to how the engine sounds. If it is lean it will bog or resist to accelerate and may die. If it is rich it will gurgle/sputter ect. Richen/Lean accordingly
Now that I think about it, the Miss Bud I helped get running had a very similar problem. I continued to richen it to past 4.5 turns and it still ran WAY too lean. I then checked the LSN and it was screwed in too far. After adjusting/richening the LSN I returned the HSN to around 3 turns and all went well for the guy.
I have no way of determining your issue but I believe you may be experiencing the same issue I had.
EDIT: saleen, please edit your posts as you are filling my inbox up

Just a 2nd thought
Ryan