The KTM Duke series is a family of standard motorcycles manufactured by KTM and Bajaj Auto Limited since from 1994. The Duke was KTM's first street bike, and first supermoto, having previously made on

The KTM 690 Duke was a motorcycle developed for KTM's line of midrange LC4 single-cylinder engine supermoto, or naked motorcycles that began with the 1994 609 cc displacement Duke 620 or Duke I, follo