2004 Ducati GT1000 Concept

All-rounder

Air cooled, 992cc, 90° V-twin, SOHC

1941 BMW R71

Classic

Air cooled, 746cc, Boxer, OHV

2013 Yamaha V-Star 1300 Tourer

Touring

Air cooled, 60° V-twin, SOHC

2007 Harley-Davidson XR 1200 Concept

Oil/air cooled, 1200cc, 45° V-twin, OHV