Clean the outside with wd-40 or carb cleaner> Uninstall the choke using the nut on the outside. clean the parts in your hand and dont loose the tiny o-ring.Spray wd-40 through the open hole now. reinstall choke. >Next clean all other brass screws/adjusters and fuel bowl respectively.> now that the bowl is off spray out the inside.> check float height. reinstall fuel bowl> Finished

Takes 10 minutes in the dark w a can of wd-40. Believe me