I just checked Propco's website and they only have the 9x9 replacement. If you can't find anyone that makes a new replacement, check e-bay. <br /><br />Be careful with your rpms if you get a 9x7.5. If you're going to use that as your only prop you may greatly exceed your max rpms when lightly...
I recently bought a used 2002 Mercury 4-stroke 9.9. When I got it, it was running rough, but would smooth out and run better when partially choked (The previous owner used it as a kicker and claimed to have only a couple hours on it. Don't know if that was true, but it was clean enough to eat...