The more I think of it ..... a v twin 550 2 stroke Adventure bike would be awesome. Aprilia had a gorgeous 550 but a virtuall race motor. Now days 2 strokes can be quite torquey. Think less weight, no valves etc......... Changing rings no big deal.
I recon it would be a HOOT !
990 Adv 06, Aprilia Tuono 03 Racing gen 1