I have a 19" excel rear wheel off a 2005 MC 250 in the 'Parts' ads. I looked at Gofasters parts lists and same part # for rear hub on both 2005 and 2008. There's a link to pics in that thread. I'll pull the tire off cuz it's junk anyway and would increase shipping cost.
CHEAP -- 50 bucks plus shipping
I just shipped a front wheel. It was 28 bucks FedEx.