Jiří Heiník has built an enduro out of a KTM 1290 Super Duke R. And naturally once you do that, you might as well do a supermoto version too... I would pay a hefty sum to have go on the supermoto on track. It would most likely kill me, but it would probably be worth it.
More here: http://www.motorradonline.de/einzeltest/racetool-ktm-1290-supermoto-r-im-test/683858