Posted by Steve@Advance on September 11, 2020 at 16:00:53 from (66.169.147.211):
In Reply to: Carburetor Help posted by WW2N on September 11, 2020 at 13:06:30:
A couple things need to be checked.
Clean fuel and tank are essential. There should be a screen in the inlet fitting of the carb, a screen on top of the sediment bowl, and a screen inside the tank. Sometimes the one inside the tank rusts away, and if there is rust or debris in the tank it will find it's way to the needle and seat. Only takes a microscopic speck to keep the valve from sealing shut.
One thing I like to do is open the fuel valve and let the line flush before making the connection to the carb fitting, especially if the area is dirty and difficult to reach.
Inline filters are sometimes too restrictive and a source of leaks. If you do use an inline, use a screen type made for gravity flow. Paper is too restrictive.
If flushing the valve by draining the bowl doesn't fix it, take the bowl back off, double check the seat is tight down on the gasket, and the needle/seat is clean. Be sure the float is free and not touching the sides of the bowl.
And before putting the carb back on, turn it upside down, suck on the fuel fitting, put your tongue over the hole. It should hold vacuum. If it won't something is wrong and it will still flood.
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