Welcome aboard. That bike looks like it's going to be a world of fun.
I'd get an inline fuel filter. You can get them wherever you can get parts for lawn mowers and their engines. Splice it in between the fuel tank and the carburetor.
Those gas tanks have a small, screen type filter inside. You've probably seen, and installed, it as a matter of fact. But they're not much. You're nearly unfiltered at the moment.