In article ,
Frank Thompson wrote:

Finally gave up on prob & called dealer to pick up & repair. Trash in carb
was the prob. In over a half century with gasoline small engines have never
had this prob other than damage done by the fuel itself .. old gasoline &/or
gasoline with alcohol.

Frank-

There should be a fuel filter. It might be inside the fuel tank or part
of the fuel valve. If it is damaged or not there, I suggest you add an
in-line filter.

Fred