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Sounds like the float may have dropped enough to allow the float needle to either fall out or (more likely) misalign and jam when you hurriedly put the bowl back on. btdt... Drain all the gas if you like (lots cleaner and safer) and then go back in there to check float, needle & seat, etc. and put things back together at a more relaxed pace. that's what I would check.
Isn't there a fuel line shut off?Also make sure the needle didn't come loose, and see if it went back into the seat correctly.
I always run my 2 stroke Toro until it runs dry in the Spring. Always starts the next winter for 25 years now. Great unit!