After much teasing, we are finally getting an inside look at the 2020 KTM 890 Duke R. Although it’s an all-new model, look at it as the high-performance version of the 790 Duke. It takes the 790 and pumps it up in a wide variety of ways, so let us count them with Fast Facts about what KTM calls The Super Scalpel.
1. The engine gets big changes—the 790 did not merely get a bore job. To get to 890cc from 799cc, KTM widened the bore by 2.7mm to 88mm, and lengthened the stroke 3.1mm to 68.8mm. That means the 890 is a bit less oversquare than the 790, though it is still a short-stroke design.
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https://ultimatemotorcycling.com/2020/03/31/2020-ktm-890-duke-r-inside-look-15-fast-facts/
