If dismantling the carburetor (let alone rebuilding it) intimidates you, you could install the cutoff valve in the fuel line from the gas tank and use that as described above and, if the generator still runs, not bother to touch the carburetor.
This is an older thread, you may not receive a response, and could
be reviving an old thread. Please consider creating a new thread.
DIY Home Improvement Forum
A forum community dedicated to Do it yourself-ers and home improvement enthusiasts. Come join the discussion about tools, projects, builds, styles, scales, reviews, accessories, classifieds, and more! Helping You to Do It Yourself!