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For 1973 the AMA changed the regulations to match the newly introduced In 1973 FIM Formula 750. The FIM regulations required the road bike cylinders to be used. Kawasaki had cast new outer cylinders for the H2R with exhaust ports pointing inwards towards the centreline to allow the fairing to be narrowed. On the road bike the ports pointed ...
Kawasaki selected the literbike platform for its top-of-the-line Ninja H2 model, rather than continuing with the higher-displacement Ninja ZX-14 hyperbike. Cycle World's Kevin Cameron explained that the literbike class is "the center of the high-performance market", attracting the best development in racing, with the best chassis and suspension design, so it made sense for Kawasaki to create a ...
In September 1971 the H2 was a direct result of the success of the 500 cc Kawasaki H1 Mach III introduced in 1969. The H2 engine was a 3-cylinder two-stroke with an engine displacement of 748 cc (45.6 cubic inches) which produced 74 horsepower (55 kW) at 6,800 rpm, a power-to-weight ratio of 1 hp (0.75 kW) to every 5.7 lb (2.6 kg) of weight.
H2A 750 cc; 1974 All models restyled with a new cleaner design that resembled the Kawasaki Z-1, with an instrument "pod" rather than separate instruments. All models revised for more civilized performance at the expense of raw power. S1B 250 cc front drum brake. S3 400 cc disc front brake, restyled cylinder head design for better cooling. H1E ...
The Kawasaki KR750 was a racing motorcycle built by Kawasaki. [3] It featured a liquid-cooled, three-cylinder, two-stroke engine. [4] In 1975, the first version (type 602) was approved by the AMA and in 1976 it was improved by fitting new brakes and forks. The update of this bike (type 602L) was introduced in 1977.
A Suzuki GSX-R1000 at a drag strip – a 2006 model once recorded a 0 to 60 mph time of 2.35 seconds. This is a list of street legal production motorcycles ranked by acceleration from a standing start, limited to 0 to 60 mph times of under 3.5 seconds, and 1 ⁄ 4-mile times of under 12 seconds.
Kawasaki Ninja H2R: 2015–present Inline 4 998 cc (60.9 cu in) [citation needed] [35] 310 / 326 hp (231 / 243 kW) (without/with ram air) [citation needed] 250 mph (400 km/h) [citation needed] Excluded as the record-beating H2R variant is track-only and not street-legal. [36] [better source needed] Lightning LS-218: 2014–present Electric motor
The Formula 750 class was seen as possibly overtaking the 500cc Grand Prix class as the premier racing division. However, the ultimate domination by one model (the Yamaha TZ750 ) as well as the increasingly popular superbike production class meant that the FIM discontinued the class after the 1979 season.