Recently my 610 was running rough at anything more than an idle. I noticed rust in the fuel filter so I cleaned out the tank and fuel lines, and cleaned the carb. After replacing the carb it would not start. After troubleshooting I realized that I was not getting fuel into the carb bowl. The fuel pump is pumping fine. I then took the float and valve out and hooked up the fuel line and turned the engine over. Fuel flows fine without the float and valve installed. So it seems the the valve is not un seating to allow fuel into the bowl. Do you think it’s possible that when I sprayed the float valve with carb cleaner that the rubber tip may have swole up enough to not allow it to un seat? I’m stumped on this one.

 

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