Small Engine Problems? Ask an Engine Mechanic for Answers ASAP
The low speed fuel circuit in the carburetor is clogged from old fuel varnish. The carb will need to come off, completely disassembled, soaked in a commercial grade of carburetor cleaner overnight, rinsed and blown dry then all of the fuel passages and jets checked for flow before being reassembled. Honda has reduced the price on their carburetors to where in many cases it is more cost effective to replace the carburator rather than trying to rebuild it.
I am on my way out the door and will not be back until this evening. If you need further assistance post your message here and I will reply this evening.
If this answer was helpful please click accept and leave positive feedback. I do not get paid until you click accept.
You can use this site to look up parts diagrams for reference as well as order parts.