Positioning: The Last True 600-Class Line, 636 cc Instead of 600—and Why the Extra Displacement Defines Its Character

The Ninja ZX-6R is one of the last remaining production motorcycles with a fully developed 600-class supersport inline-four. Kawasaki increased displacement to 636 cc in 2013—37 cc more than the traditional 600-class formula. That decision had dynamic consequences that still define the motorcycle today. Compared with classic 600s, the additional torque is most noticeable through the midrange, making the ZX-6R considerably more usable on backroads than many osexbrutypnwzwruawkvzjliuamwpdawxfobtqnfzwsvdsckchycwvqqigzonkxlttaljmezuofpijjysdjotlbdduxjjlnyifzaxfydtqgekacnlixezporrvgqcrwoetqdhxvnfsu

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