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!
Drain the old gas, and do a through cleaning of the carburetor float bowl, float and the needle valve passage and spray the inside ports of the carburetor with spray carburetor cleaner! See link below