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!
Make and model? Engine? Is oil level correct, not over full or thin and contaminated with gas? Breather will be rubber tube going into the air inlet, just before the air cleaner. The breather is at the engine end of the hose.
I see question is still open, did you find my response?