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Hi everyone, I'm new here, and I hope to share in some knowledge and learn something.

My neighbor recently gave me his simplicity lawn tractor, because he was moving. The tractor had a bad fuel pump, so I replaced that.

After replacing the fuel pump, the tractor ran for a few minutes, but was spurting gasoline out of the carburetor. I removed the air filter to take a look, and I found a hose coming out of the carb, that was plugged with a screw (?). I'm not sure what this hose is for, or what it is called. I have some pictures below. One of them shows the hose with the screw in it, the other is the carb with the hose pulled off.

As for model numbers, here is what I pulled off the engine:

16 HP Briggs & Stratton 303777
Type 0122-01/5526
Code 90060511





Thanks for your time, sorry if I didn't put this post together right.

That is your float bowl vent tube, it should not be plugged. If fuel comes out of that tube, you will need to replace the float needle and seat, which are not working properly.

Can't add much more to the above post, apart from saying check your engine oil, you may have some fuel in there, from a over flooded carb.

Ah ok, that makes sense. Thank you both for the swift replies.

george