The most unlikely custom motorcycle tops this week's assortment of machines; a Ducati Indiana flat tracker. We also profile a Honda Transalp from Bolt Motor Co., a cheeky Yamaha XSR155 scrambler, and an ex-Barry Sheene Suzuki TR750 that's up for auction at Bonhams. Ducati Indiana 'Von Tracker' by Francis Von Tuto History may have forgotten the Ducati Indiana, but those who lived it aren’t so lucky. There was a time when all the Italian marques all wanted a piece of America's 'factory choppe...