Drain a half gallon or so through the carburetor to make sure it doesn't slow to a trickle after a little while. A partially plugged fuel line, maybe in the tank, will fill up the fuel line while you are disconnecting it so if you don't let it drain for an extended period you may not find the blockage. Try blowing backward into the fuel line to clear the tank inlet. Sometimes this helps for a little while. I have found doughnuts of fiber floating in the tank and occasionally finding the fuel outlet and plugging it. I blame them on previous owners checking fuel level with a stick and leaving a little fiber in the tank. Also, sometimes the gasket in the shutoff on the bowl gets out of place and mostly plugs the fuel flow. And this summer my hay hand was embarrassed when he limped home on the choke, told me he couldn't find the problem. I looked at the fuel bowl and saw an interface line at the top: it was FULL of water. He had to use the choke to get enough fuel past the water. So if you haven't cleaned the fuel bowl, do that anyway. The only other problwm I can think of right now is a float dragging on the side of the carburetor housing. I have never had an electrical problem that the chokle would help.
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