Someone buy this!! Replace the power valves and BAM!! bad ass trail motor!. Things probably ported beyond repair though.
Edit: forgot to post the link...
http://m.ebay.com/itm/banshee-16-mil-cheetah-motor-/272485845621?hash=item3f716c0a75%3Ag%3A-KEAAOSwnHZYUY0v&_trkparms=pageci%253Aa8091d5d-c4f5-11e6-a083-74dbd180e05b%257Cparentrq%253A10e29fe71590a5e0b6fdf8d0ffd62745%257Ciid%253A3