Hey I checked high and low for those pitots I thought I had cannot find them anywhere. They might be at our lake house but will not be going up that way for some time. Anyway if I come across them o will let you know. Sorry.
Steve
Sounds like your needle and seat is worn out. A rebuild sounds like it's in order. Before committing, be sure your ignition system is in order. A poor spark will give similar results as a slightly flooded carb.