Overall the engine appears to be in good shape.
I've located the belt (
http://goo.gl/aatgf - I'm going with a Kevlar belt) as well as a rear/driven clutch (
http://goo.gl/vGNY2). I'm having a more difficult time locating the left cover gasket (GK05884), o-ring (GK05880), exhaust pipe gasket (BF00011) and the brake pads (BB00035). I need to do some more searching online.
Thanks for the advice ... I'll try Tom at sycpowersports. I've looked at kartmart already, but didn't find what I was looking for.