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Motorcycles with a V-twin engine mounted with its crankshaft mounted in line with the frame, e.g. the Honda CX series, are said to have "transverse" engines, [1] [2] while motorcycles with a V-twin mounted with its crankshaft mounted perpendicular to the frame, e.g. most Harley-Davidsons, are said to have "longitudinal" engines.
"Cutaway of Yamaha Genesis inline-four 20-valve engine" The DOHC Genesis engine has five valves per cylinder and downdraft carburetors. Yamaha adopted the 5-valve concept, using three intake valves and two exhaust valves per cylinder, because it allowed both excellent volumetric efficiency and high RPM. As designers began to appreciate the ...
A Sokół 1000 V-twin engine. Engines with more cylinders for the same displacement feel smoother to ride. Engines with fewer cylinders are cheaper, lighter, and easier to maintain. Liquid-cooled motorcycles have a radiator which is the primary way their heat is dispersed. Coolant or oil is constantly circulated between this radiator and the ...
Created Date: 8/30/2012 4:52:52 PM
The Yamaha XV1900A cruiser was developed to exploit the large displacement end of the market for large cruisers.Yamaha had a well established range of big "Star" cruisers which went up to the Wild Star 1600 cc but there was a need to redesign the engine to meet anticipated exhaust emissions regulations and the opportunity to update the styling, which had remained largely unchanged for a decade.
The Yamaha XV1000 or Virago 1000 was a Yamaha V-twin cruiser motorcycle. The XV920 was redesigned in 1984 and engine size increased to 981 cc (59.9 cu in) resulting in the renamed XV1000 . Made from 1984 through 1985, it was part of Yamaha's Virago line of cruisers.
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Prior to the late 2010s, forced induction was only used on a handful of production motorcycles, all from Japanese Big Four manufacturers in the early 1980s. [1] [2] [3] Honda 1982 CX 500 Turbo / 1983 650 Turbo; Yamaha 1982-1983 XJ 650 Seca Turbo; Suzuki 1983 XN 85 Turbo; Kawasaki 1983-1985 GPZ750 Turbo; Honda CX650 Turbo had a 674 CC, 100 BHP V ...