First pic - Is that a hole in the float?
Second carb in the video - Can see the float valve hanging up, sticking.
Fuel inlets just press in, but will probably break off in the holes when you try to take them out. If they aren't leaking, don't fix them.
If the floats and float valves are ok, then just a good cleaning, inside too. The rubber tips on the float valves need to be intact, and where they seat needs to be clean and smooth.
Do you mean the first carb? That’s the one that didn’t seem to have full range of motion. I will clean it tonight and try to put it together, see if that fixes the flooding on prime issue
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