and with cheap hoses…. flaking internally with ethanol degradation…. have you tried a new hose ? ( sorry… don’t want to read all the stuff again)

the lining in some hoses just crumbles and chokes gas flow

if you needto run a new clear line directly in the carb inlet (bypass the tank lines and pump) hold the small fuel above the engine while you retry the engine…

if it does not die… you have a fuel flow restriction tank to carb