Re: Fuel Evaporation or leakage from the carburetor
It's not very likely the carb is leaking down internally unless there is porosity in the bowl (very unlikely). The float valve is above the fuel level, and the power valve is not the type like in other carbs with a rubber diaphragm that can deteriorate.
I'm betting it has to be evaporation from shutting off a hot engine. Especially with the amount of ethanol in the fuel these days. Sal
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