Kawasaki Ninja ZX-7R
The Kawasaki ZX-7R was a sport bike made by Kawasaki from 1990 to 2003. It replaced the more race-oriented ZXR-750 in the 750cc supersports class. It remained largely unchanged through its production.
The frame used on the ZX-7R is a lightweight aluminum twin-spar item, designed using computer-aided design to optimize strength. The rear subframe was constructed using steel and aluminum, providing enough strength for a pillion passenger whilst keeping weight to a minimum.
The swingarm used largely the same fabrication techniques to produce a hollow cast and pressed aluminum alloy hybrid swingarm, and the Uni-Trak rear suspension system features a predominantly lightweight alloy and aluminum construction. The Uni-Trak system was designed to provide a progressively stiffer damping and spring rate under compression. The rear suspension unit is fully adjustable in terms of damping, preload and compression.
The front suspension found on the ZX-7R comprises a fully adjustable 43 mm inverted cartridge fork.
The ZX-7RR differs from the road model with an adjustable head-stock angle, swing arm pivot, additional increased adjustability to the front and rear suspension, a solo cowl with a slightly different subframe, and 41 mm flat-slide carburetors. It also has a close ratio gear-box fitted as standard and Nissin front calipers.
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