Originally Posted by Pleiades

This is what you want, fits on top of the standard tubular Yamaha accessory rack...

http://www.altechdesigns.co.uk/luggage-racks/28-xt660r-xt660x-luggage-rack.html

Made and sold by aliwakeskate of this parish!

There's a Yamaha rack up for auction on ebay at the moment:

http://www.ebay.co.uk/itm/Luggage-Rack-for-Yamaha-XT-660-R-in-black-/252311080348?hash=item3abee98d9c:g:gQUAAOSwr7ZW3FF p