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A desmodromic valve is a reciprocating engine poppet valve that is positively closed by a cam and leverage system, rather than by a more conventional spring. The valves in a typical four-stroke engine allow the air/fuel mixture into the cylinder at the beginning of the cycle and exhaust spent gases at the end of the cycle.
22 L (4.8 imp gal; 5.8 US gal) The Ducati Desmosedici is a four-stroke V4 engine racing motorcycle made by Ducati for MotoGP racing. The series nomenclature is GP with the two-digit year appended, such as Desmosedici GP10 for 2010. In 2006 Ducati made a short production run of 1,500 street-legal variants, the Desmosedici RR.
A motorcycle (motorbike, bike, or, if three-wheeled, a trike) is a two or three-wheeled motor vehicle steered by a handlebar from a saddle-style seat. [1][2][3] Motorcycle designs vary greatly to suit a range of different purposes: long-distance travel, commuting, cruising, sport (including racing), and off-road riding.
The Twin Cam 88 was a traditional design from Harley-Davidson, using two cams to drive the valvetrain, with the first being the famous '8-Valve' OHV V-twin racing models of 1915. Their 1920s single-cylinder models (the A, AA, BA, BB, and Peashooter) also used twin camshafts in the timing chest, and did their 1930s flathead engine models, like ...
The visible outer thread of the stem holds the dust cap. The Schrader valve (also called American valve[1]) is a type of pneumatic tire valve used on virtually every motor vehicle in the world today. The Schrader company, for which it was named, was founded in 1844 by August Schrader. The original Schrader valve design was invented in 1891, and ...
The Yamaha XS Eleven motorcycle, also called XS 1100 and XS 1.1, is a Japanese standard produced from late 1977 (MY1978) to 1983, powered by an air-cooled 1,101 cc (67.2 cu in) 4-stroke, DOHC inline four-cylinder engine mounted transversely in a duplex cradle frame with swingarm rear suspension, shaft drive, and telescopic forks.
The 2020 Andalusian motorcycle Grand Prix was the third round of the 2020 Grand Prix motorcycle racing season and the second round of the 2020 MotoGP World Championship. It was held at the Circuito de Jerez-Ángel Nieto in Jerez de la Frontera on 26 July 2020.
The TMX 125 Alpha (stylized as TMX 125α) was launched in 2014 as a successor of the TMX 125.The motorcycle is essentially a rebadged Honda CG125.The TMX Alpha features a 124.11 cc four stroke, air-cooled OHV engine mated to a five-speed transmission instead of four, and it is started by an electric starter and a kick starter with decompression function.