I have for sale:

2009 OEM gas tank, no problems, just replaced with the larger Trail Tank.
$50 plus shipping.

Trail Tank 9 gal tank for 2008-2010 RZR 800. Drilled a 13/64 hole in the bottom, repaired with JB Water Weld. No leaks after a week.
$100 plus shipping.

Thanks,

Pirate