![]() If the fuel in your state or region contains more than 10% Ethanol you may need to replace certain soft parts more often, including the float needle valve and the accelerator pump diaphragm. Many states now include anywhere from 5-15% Ethanol which can be detrimental to certain rubber parts over time. Another common cause is the use of fuel containing any Ethanol. ![]() Worn or stuck float valves are very common following prolonged storage or when gasoline has been allowed to sit inside the carburetor and begins to lacquer with age. Under severe conditions gas may soak the air filter or overflow out of the carburetor and onto the ground while parked. When the tip of the valve becomes worn or debris prevents the closing of the valve, fuel flows continuously into the bowl thus flooding the engine. The float needle valve is responsible for regulating the flow of fuel into the float bowl. ![]() Both conditions are typically caused by a stuck or worn float needle valve. One of the more common questions we get concerns either the overwhelming smell of gas coming from the carburetor or fuel leaking out of the bowl or overflow. ![]()
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