Page 12 of Kawasaki Motorcycles by Kawasaki USA

Frame Like the ZX-RR, the 10R chassis minimizes the distance between the steering stem and swingarm pivot to create a compact, responsive package. Specially configured for high torsional rigidity and more flexible lateral rigidity, this balanced flex contributes significantly to the 10Rs brilliant handling qualities. The new die-cast, one-piece seat rail contributes to weight reduction. Although the steering head has been moved forward and the frame geometry has been changed, the wheelbase remains unchanged. The new frame uses new castings in the steering head area and uses rigid engine mounts, both of which change the frames stiffness balance. Robot welding is used for high quality and a superior finish. The swingarm pivot location has been lowered resulting in improved rear wheel traction when driving off corners. The lower swingarm pivot also allows a wider range of settings. Massive braced swingarm of all-new design delivers the rigidity needed for a machine with the ZX-10Rs horsepower. Long swingarm design reduces the engines leverage on the rear suspension, for excellent suspension action and superb road holding qualities. The new swingarm uses castings around the pivot area and pressings for the beams. Amazingly lightweight, the swingarm weighs about the same as the ZX-6RR swingarm.

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