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Forced induction in motorcycles is the application of forced induction (turbochargers or superchargers) to a motorcycle engine. Special automotive engineering and human factor considerations exist for the application of forced induction with motorcycles compared to other forms of motorized transportation.
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.
The first bike manufactured by Yamaha was actually a copy of the German DKW RT 125; it had an air-cooled, two-stroke, single cylinder 125 cc engine [1] YC-1 (1956) was the second bike manufactured by Yamaha; it was a 175 cc single cylinder two-stroke. [1] YD-1 (1957) Yamaha began production of its first 250 cc, two-stroke twin, the YD1. [1]
"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 ...
1910 "New Pattern' James with hub-center steering Detail of mechanism on the Mead & Tomkinson Kawasaki 'Nessie' Steven Linsdell's Yamaha GTS Isle of Man TT racing motorcycle The hub-center steer concept is a very old one used as early as 1910 by the British James Cycle Co , and in 1920 by Ner-a-Car , and enjoyed an aftermarket vogue in the ...
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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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 ...