on ebay and posted in classifieds mate,
looked grubby, but obviously cleaned up nice
http://cgi.ebay.com/ebaymotors/Honda-NSR-Honda-1991-Honda-NSR-250cc-45hp-6-spd-32-original-miles_W0QQcmdZViewItemQQcategoryZ6708QQitemZ4627976446QQrdZ1