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Motorcycle drag racing (also known as "sprints") involves two participants lining up at a dragstrip with a signaled starting line. Upon the starting signal, the riders accelerate down a 1 ⁄ 4 mile (0.40 km) or 1 ⁄ 8 mile (0.20 km) long, two lane, straight paved track where their elapsed time and terminal speed are recorded.
[2] [3] Designed by Soichiro Miyakoshi, the prototype production machine began testing in Japan in 1971, and on California motocross tracks in 1972. [4] The CR250M was Honda's first two-stroke production race bike, the first competition dirt bike that Honda built from scratch instead of adapting a street bike, [5] and the first production ...
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.
The Kawasaki KR250 was a racing motorcycle built by Kawasaki from 1975 to 1982 for the 250 cc class of Grand Prix motorcycle racing.It was powered by a two-stroke "tandem twin" engine [1] [2] The motorcycle won four world championships, in 1978 and 1979 with Kork Ballington and in 1980 and 1981 with Anton Mang.
Grand Prix motorcycle racing refers to the premier category of motorcycle road racing. It is divided into three distinct classes: Moto3: Introduced in 2012, motorcycles in this class are 250cc with single-cylinder four-stroke engines Previously it featured 125 cc two-stroke motorcycles. This class is also restricted by rider age, with an upper ...
Rod Gould's appearance on the European racing scene with TD2 and TR2 machines (and Buco helmets) secured after a business trip to US was a major factor in the change to two-stroke domination. Gould learned his craft initially by campaigning ageing (1950s design) Manx Nortons around the UK short circuits, with 1960s Bultacos and Aermacchis for ...
Duhamel's pole position on the tiny 350cc Yamaha motorcycle against the larger 750cc four-strokes marked the beginning of the two-stroke era in AMA road racing competitions. [11] Don Emde became the first competitor to win the Daytona 200 on a two stroke motorcycle when he won the 1972 event riding a Yamaha TR3. [12]
Sportbike motorcycle drag racing involves racing motorcycles, often imported from Japan. Many sportbikes such as the Suzuki Hayabusa , the Kawasaki ZX-14, or the BMW S1000RR can perform a 1/4-mile drag race in the 9-second range with little to no modifications. 1/8th-mile racing is also popular in some parts of the country.