Sounds like the inlet needle is not seating properly allowing it to flood. Could be caused by stiff diaphragm, or dirt, or a worn needle tip. Could also be the main nozzle check valve (if it has one).
Prolly better for ya to just replace the carb.
" But let me tell you something ,folks: You can't fix stupid! There's not a pill you can take, there's not a class you can go to. Stupid is forever!"