2 years ago I had to replace mine and it cost me 366 pounds (425 euros) !!!
Grab this bargain - you never know when you will need this..
http://www.ebay.co.uk/itm/Yamaha-XT6...-/121153629041
looks that it is out of a 2007 XTX and newer, as far as it has the additional threaded holes to fit the XTX 2007-2013 tank covers...