Kawasaki Ninja 250R
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| Manufacturer | Kawasaki Motorcycle & Engine Company |
|---|---|
| Parent company | Kawasaki Heavy Industries |
| Production | 1986-present |
| Class | Sport bike |
| Related | Kawasaki Ninja 300 |
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| Production | 2008-2012 |
|---|---|
| Engine | 249 cc (15.2 cu in) liquid-cooled 4-stroke 8-valve DOHC parallel-twin |
| Bore / stroke | 62.0 mm × 41.2 mm (2.44 in × 1.62 in) |
| Ignition type | TCBI with digital advance |
| Transmission | 6-speed constant mesh |
| Tires | Front: 110/70-17M/C Rear: 130/70-17M/C |
| Rake, trail | 26° |
| Wheelbase | 1,399.5 mm (55.10 in) |
| Dimensions |
W: 713.7 mm (28.10 in) H: 1,109.9 mm (43.70 in) |
| Seat height | 774.7 mm (30.50 in) |
| Weight | 170 kg (375 lb) (wet) |
The Kawasaki Ninja 250R (codenamed EX250; previous generations had market-specific names) is a motorcycle in the Ninja sport bike series from the Japanese manufacturer Kawasaki originally introduced is 1986. As the marque's entry-level sport bike, the motorcycle has undergone few changes throughout its quarter-century lifetime, having received only three substantial redesigns. In some markets the Ninja 250 has been succeeded by the Ninja 300.
Since 2008, the bike is marketed as the Ninja 250R in all markets. It is also referred to by its platform designation, EX250, to which a generational suffix is attached. In the United States, previous models (EX250-E/F/G/H) were already being marketed as members of the Ninja family of sport bikes, while outside of the U.S. the bike was known variously as the ZZR-250, ZX-250, or as the GPX-250R. One of the earliest models, the EX250-C, was given the name GPZ-250.
The Ninja 250R's particular ergonomics, chassis design, and engine placement have resulted in a motorcycle that straddles the standard and sport classes. The Ninja's riding posture also falls between standard and sport.
The first generation was produced between 1983 and 1985, and known by the production number EX250-C. It was sold as the GPZ-250. Sold only in its home market of Japan, this earliest, belt-driven version was first produced in 1983, and shares no commonality with later generations. The bike has 32 mm fork tubes.
Produced between 1986 and 1987 was the EX250-E. This model was sold as the Ninja 250R in Canada and the U.S. between 1986 and 1987. It was known as the GPZ-250R elsewhere. When originally introduced, it was more costly than the Honda Rebel, and reviewers complained that while the 14,000 rpm redline was nice, the engine was slow to rev.
344 lb (156 kg) wet, tested
For the 1988 model year, there were both cosmetic changes and changes in engine tuning. While the bore and stroke, and other major engine components, were unchanged, minor tuning adjustments were made. The carburetor diameters were reduced 2 mm to 30 mm (1.2 in), the cylinder compression ratio was increased from 12.0:1 to 12.4:1, ignition timing advance was increased, and the rear sprocket was increased by three teeth to 45. Reviewers reported that this made the engine more free-revving, reaching the high 14,000 redline more quickly, and the tested top speed increased by a few miles per hour. The new, more fully enclosed bodywork was complimented for being stylish, at the time, and easily mistaken for the larger Ninja 750.
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