www.ebaymotors.com
http://www.georgiasportbike.com/foru...splay.php?f=19
http://www.blokessportbike.com/forumdisplay.php?f=16

and if you want a specific model such as the r6 or r1 or 600rr etc etc.
www.r1-forum.com
www.r6-forum.com
www.cbr600rr.com
www.600rr.net
www.gixxer.com
www.gsxr.com

and so on...