Kawasaki Ninja ZX-7R
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|Manufacturer||Kawasaki Motorcycle & Engine Company|
|Parent company||Kawasaki Heavy Industries|
|Engine||748 cc (45.6 cu in) liquid-cooled dohc 16 valve in-line four-cylinder four-stroke|
|Bore / stroke||73.0 mm × 44.7 mm (2.87 in × 1.76 in)|
|Top speed||152–163 mph (245–262 km/h)|
|Power||104.0–109.2 hp (77.6–81.4 kW) (rear wheel)
@ 11,500 rpm
|Torque||52.4–56.4 lb·ft (71.0–76.5 N·m) (rear wheel)
@ 9,000 rpm
|Frame type||Aluminum twin-spar|
|Suspension||Front: adjustable 43 mm inverted cartridge fork
Rear: Uni-Trak (monoshock) swingarm
|Brakes||Front: twin 320 mm (13 in) semi-floating front discs with Tokico six-piston calipers
Rear: 230 mm (9.1 in) disc with twin-piston opposed caliper.
|Rake, trail||25.0°, 3.9 in (99 mm)|
|Wheelbase||56.5 in (1,440 mm)|
|Seat height||780 mm (30.9 in)|
|Weight||460 lb (210 kg) (dry)
518–527 lb (235–239 kg) (wet)
|Fuel capacity||18 l; 4.0 imp gal (4.8 US gal)|
|Oil capacity||3,600 ml (3.8 US qt)|
The Kawasaki Ninja ZX-7R was a motorcycle in the Ninja sport bike series from the Japanese manufacturer Kawasaki produced from 1992 until 2003. It replaced the more race-oriented ZXR-750 in the 750cc supersports class. It remained largely unchanged through its production.
Between 1990 and 1995 in the US market the ZXR-750 and ZXR-750R were known as ZX-7 and ZX-7R respectively. Starting from 1996 Kawasaki dropped the ZXR name adopting the ZX-7R worldwide.
The ZX-7R was raced, gaining 12 AMA superbike championship victories. Kawasaki's Road Racing team riders were Eric Bostrom, Doug Chandler and Scott Russell. Doug Toland won the 1993 Endurance FIM World Championship. Andreas Hofmann won the 1997 Macau Grand Prix.
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.
- Ienatsch, Nick (May 27, 2013). "Superbikes With Soul: Classic vs. Modern Superbike Comparison Test". Cycle World. Retrieved October 29, 2016.
- "1996 Kawasaki ZX-7R". Cycle World. March 1996. pp. 43–48.
- "Performance Index Winter '12/'13 Edition" (PDF), Motorcycle Consumer News, Bowtie Magazines, January 2013
- "Sportbike Weights and Measurements". Sport Rider. August 23, 2011. Retrieved September 18, 2016.
- Owen, Paul (November 26, 2015), "Carbon Garage: A motorcycle cafe that's full of racers", Stuff.co.nz
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