AboutJohn C. Bridgers Sr. Expertise Small Engine Service Center Co-Owner - ATVs, Mowers, Trimmers, Snow throwers, and Many Other Small Engine Operated Equipment. I can answer questions pertaining to Most Lawn and Garden Equipment, e.g. riders, tillers, trimmers, cement mixers, chainsaws, etc. I have been repairing small engines for 34 years. Briggs & Stratton, Tecumseh, Kohler, Lawn Boy, Stihl, Poulan, Mac, and Honda; to name a few.
Experience
Past/Present clients I have worked on small air/water cooled engines for 34 Years. I performed warranty work for Lowes of Wilson and other retailers in the area. I Own a Yard Maintenance and Certified Small Engine Repair Service Center.
Followed your advice and installed a fuel shut-off valve to correct the ongoing leak through air filter even after changing needle and seat twice.Problem is now solved.I wonder however since the leak was substantial,( it would empty the tank)if when the engine is running,and the shut-off valve open of course if too much fuel is supplied to engine making it run rich.The needle is obviously not doing what it is intended to do, so wouldn't more fuel than needed by engine flow into the bowl and then into venturi?
Thank you so much for your help.
Sincerely
Casimiro
Answer Hello Casimiro:
If the Carburetor is Running Rich you will See Black Smoke from the Exhaust. You May need to Look Into a New Carburetor. From your Description it Sounds like the Molded Seat for the Needle is Pitted. Hope this Helps. I am here if you Require more Assistance. Let me know what Happens, Please. Thanks. Be Safe.
