Kawasaki Ninja ZX-7R

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Kawasaki Ninja ZX-7R
Uni-Trak (monoshock) swingarm
BrakesFront: 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.
Tires120/70ZR17, 190/50ZR17
Rake, trail25.0°, 3.9 in (99 mm)
Wheelbase1,440 mm (56.5 in)
Seat height780 mm (30.9 in)
Weight210 kg (460 lb)[1] (dry)
235–239 kg (518–527 lb)[3][4] (wet)
Fuel capacity18 L; 4.0 imp gal (4.8 US gal)
Oil capacity3,600 ml (3.8 US qt)
RelatedKawasaki ZXR250
Kawasaki ZXR400
Kawasaki Ninja ZX-6R
Kawasaki Ninja ZX-9R
Kawasaki Ninja ZX-12R

The Kawasaki Ninja ZX-7R was a motorcycle in the

Kawasaki
produced from 1989 until 2003. It remained largely unchanged through its production. Kawasaki used inverted forks starting in 1991, added ram air using a single tube, and in 1996, twin tube ram air and Tokico six piston brakes and fully adjustable suspension. From 1989 through 1995 in the US market, Kawasaki called the ZXR-750 and ZXR-750R the ZX-7 and ZX-7R respectively. Starting from 1996 Kawasaki dropped the ZXR name worldwide and the former ZXR-750 was now ZX-7R and the limited edition homologation special ZXR-750R/ZX-7R started in 1991 was now ZX-7RR.[5]

Overview

The ZX-7R has a 749 cc

in-line four-cylinder, four-stroke engine
.

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, providing enough strength for a pillion passenger.

The

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 8-way compression and 12-way rebound 43 mm inverted cartridge fork.

Front brakes are 320 mm semi-floating front discs and Tokico six-piston calipers. Rear brakes feature a 230 mm disc with a twin-piston opposed caliper.

The ZX-7RR differs from the road model with an adjustable head-stock angle, swing arm pivot, additional increased adjustability 28-way compression and 13-way rebound to the front and 14-way rebound for the rear suspension, ten more than the R model, a solo cowl with a different aluminum subframe, and 41 mm flat-slide

carburetors versus the 38mm on the base R model. It also has a close ratio gear-box fitted as standard and a crankshaft flywheel that is heavier and Nissin front brake calipers.[2][6][7]

Cycle World recorded a 0 to 1⁄4 mi (0.00 to 0.40 km) time of 10.82 seconds at 129.68 mph (208.70 km/h).[1]

Racing

The ZX-7RR was raced, winning 12

Endurance FIM World Championship. Andreas Hofmann won the 1997 Macau Grand Prix
.

1989 ZXR-750
1991 Kawasaki Ninja ZX-7
1992 ZXR-750R

References

  1. ^ a b c Ienatsch, Nick (May 27, 2013). "Superbikes With Soul: Classic vs. Modern Superbike Comparison Test". Cycle World. Retrieved October 29, 2016.
  2. ^ a b "1996 Kawasaki ZX-7R". Cycle World. March 1996. pp. 43–48.
  3. ^ a b c d "Performance Index Winter '12/'13 Edition" (PDF), Motorcycle Consumer News, Bowtie Magazines, January 2013, archived from the original (PDF) on 2016-12-29
  4. ^ "Sportbike Weights and Measurements". Sport Rider. August 23, 2011. Archived from the original on February 23, 2018. Retrieved September 18, 2016.
  5. ^ Shippey, Mark (October 10, 2010). "Bike Icon: Kawasaki ZXR750". Visor Down. Retrieved April 19, 2017.
  6. ^ Kunitsugu, Kent (January 4, 2017). "SR Archive: Kawasaki Zx-7RR Road Test Review". Sport Rider. Archived from the original on January 13, 2017. Retrieved April 19, 2017.
  7. Stuff.co.nz
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