Originally Posted by Wheel Rush
I did notice some oil escaping the hose connections left from the evaporated gas, during running must be mystifying from vibration and getting into the air filter, I cleaned the air filter, and used C Cleaner in the carb, could there be something I'm missing that would concern this fouling.
Check your motor mounts. If they get loose it will cause excessive vibration and cause the fuel to froth inside the carb bowl thus causing a lean mixture to the cylinder and sputter. Just a thought.