The three-model Kawasaki Vulcan S family returns for ’21, with no changes other than colors and a $100 price increase across the board. Returning is the Ninja-derived 649cc DOHC powerplant fed by a pair of 38mm throttle bodies.One of the Kawasaki Vulcan S lineup’s leading features is its dedication to Kawasaki’s Ergo-Fit concept. You can configure the Vulcan S to your dimensions.

There are three available footpeg positions (the forward and rearward are one-inch different from standard), a reduced-reach handlebar that moves the grips 1.7 inches closer to the rider, and seats with three different rider positions.
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https://ultimatemotorcycling.com/2020/10/07/buyers-guide-2021-kawasaki-vulcan-s-abs-and-cafe-abs/