Small Engine Troubleshooting Problems? Ask a Mechanic Now.
Welcome to JUST ANSWER small engines, let me try to help you !! I don't know it all, but maybe together we can get you a satisfactory answer!
Needle valve in the carburetor is not shutting off the fuel supply, the needle and float needs to be cleaned.
Here is basic carburetor, your's will be similar.
Yes, but check the oil in the engine, is not diluted with gasoline.