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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 ...
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 "twingle" is a four-stroke twin-cylinder engine with an altered firing order designed to give power pulses similar to a single-cylinder four-stroke engine. Inline twins with a 360° crankpin offset or flat-twins can be easily converted into twingles by firing both of the cylinders at the same time and installing a camshaft or camshafts that ...
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.
The Yamaha YZF1000R Thunderace was a motorcycle produced by Yamaha from 1996 until 2005. The YZF1000R was a stop-gap bike from the FZR1000 to the YZF-R1 and produced from existing parts bins. [4] [3] [permanent dead link ] The Thunderace five-valve four-cylinder engine was derived from the FZR1000, and the frame was adapted from the YZF750R. [5]
The Yamaha XV1000 SE or Midnight Special is a special edition Yamaha V-twin cruiser motorcycle. The XV920 was made from 1983 to 1985 and was based on Yamaha's Virago line of V-twin cruisers that are part of Yamaha's XV generation first launched in 1981. [ 2 ]
The Yamaha XT 200 is a single-cylinder four-stroke Dual Sport motorcycle produced by the Yamaha Motor Corporation starting in 1980 through 1986. It is powered by a single-cylinder, 196 cm 3 (12.0 cu in) air-cooled engine. The motorcycle was sold with street parts installed such as mirrors, a horn, high/low-beam headlight, tail/brake light, and ...