Runs in cold start, dies in run mode
So far I have followed the echo troubleshoot guide.
Fuel line tune up kit (vent filter, lines, cap gasket and prime bulb)
Rebuilt carburetor so new diaphragm as well
Checked spark arrester, is clear, runs same with it eliminated from system, was very clean.
Drilled out air fuel mix screw cap and adjusted mixture one half turn out till fully open and wouldn't run, too lean)
Adjusted 1/2 turn out (counterclockwise) and tested at each half turn, at 4- 4 1/4 turns out I can throttle it up and keep it running good from about 1/2 throttle up, anything below half throttle, it dies.
Tried fresh gasoline mixture from very reliable station, I've used this fuel for 25 years with no issue.
Is this a good question?