In alt.home.repair, on Wed, 13 Jan 2021 16:30:59 +0000, Al
wrote:

Starts up runs but a few minutes it stalls out. Let it set and starts up again and stalls. Just put a new carburetor on it does the same think.

Try blowing through the hole in the gas cap. If you're still not sure
that the hole goes all the way through (zigzagging), put it on loose, so
air can get in, and see how long it runs then.