It's rich from oil I believe... And yes I did see fuel from the cab when I was driving it.
Hope you all know they make this:Ratio Rite Mixing Cup - In stock NOW! Our Price: $4.99 eliminates all this dumb a$$ guessing, especially for the mathmatically challenged 8-|.
It was just on the carb. I never saw where it droppe from.. An it's oil injected.. I wonder If the float is stuck
Lets solve the noise prob first.
Have you pulled the pipe and had a look.