David, the price of a new carburetor is very affordable, but if you truly want to try to clean it, see attached. Not sure if you are having any issues with your mower, but if you remove the carburetor, be sure to replace all the gaskets from the cylinder to the air cleaner. It literally takes three hands to keep everything in position to reassemble, but if you find a couple studs about 3-1/2" long, that would aid you greatly. Note: If the carburetor is not leaking, flooding or stalling out on you, don't mess with it. If you want to 'tune-up' the engine, change the oil, plug and air filter. If it takes a couple pulls to start, buy a new valve cover and adjust the valves correctly.