Originally Posted by Coodeville
Took the carb off because of a " no start" condition. Starter was fine but no fuel came out of the float bowl. Upon removing the float bowl, I discover that this crap is inside of it and held the needle valve closed. I cleaned it and am going to reinstall the carb. The question is : What's this stuff from? BTW - the carb is brand new and was only in use about three weeks.
Can't tell from the picture if this is a chemical deposition of a chemical contaminate in the fuel or whether this is corrosion caused by water or high levels of alcohol in the fuel. My gut says corrosion because it's on the aluminum/potmetal casting but not the brass jets.