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KTM 690 Duke R
The KTM 690 Duke was a motorcycle developed for KTM's line of midrange LC4single-cylinder enginesupermoto, or nakedmotorcycles that began with the 1994 609 cc (37.2 cu in) displacementDuke 620 or Duke I, followed by the 1998 625 cc (38.1 cu in) Duke 640 or Duke II, followed by the 654 cc (39.9 cu in) Duke III, and finally the 690 cc (42 cu in) Duke IV made since 2012.
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