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The Evolution Big Twin saw a fifteen-year run in Harley-Davidson's Dyna, Softail, FXR, and Touring frames, although a limited number of Evolutions were used in the 2000 model year CVO FXR4, and 1999 FXR2 and FXR3 models. While the main case was only slightly modified from the previous Shovelhead engine, the top end was significantly improved.
The Harley-Davidson RL 45 is a model of the R-series range produced from 1932 to 1936, preceded by the DL range (1929–1931), which was Harley-Davidson's first 45 cubic-inch and first flathead V-twin motorcycle, and succeeded in 1937 by the WL. The R-series range included 45-solo, R, RL and RLD models.
Harley-Davidson Twin Cam engine at the Harley-Davidson Museum. The Harley-Davidson Twin Cam are motorcycle engines made by Harley-Davidson from 1998 to 2017. Although these engines differed significantly from the Evolution engine, which in turn was derived from the series of single camshaft, overhead valve motors that were first released in 1936, they share a number of characteristics with ...
An undisclosed number of samples of engines failed, until an engine successfully passed the 500-hour nonstop run. This was the benchmark for the engineers to approve the start of production for the Revolution engine, which was documented in the Discovery channel special Harley-Davidson: Birth of the V-Rod, October 14, 2001. [134]
S&S attracted controversy in 2005 when Harley-Davidson filed a patent and trademark infringement lawsuit against the company along with fellow aftermarket engine manufacturer Delkron, Inc. Harley accused S&S and Delkron of copying parts for Twin Cam engines and using Harley trademarks without permission. S&S argued that the suit was without any ...
Harley-Davidson engines are now made at Harley-Davidson Motor Company's Pilgrim Road Powertrain Operations facility in Menomonee Falls, Wisconsin. The company's founders started making smaller flathead motorcycle engines individually by hand and fitted to bicycles in the 10 ft x 15 ft wooden barn in Milwaukee that was the Harley-Davidson ...
The Harley-Davidson KR or KR750 was a 45.125 cu in (739.47 cc) displacement V-twin engine racing motorcycle made by Harley-Davidson from 1953 through 1969 for flat track racing. It was also used in road racing in the KRTT faired version. When the KR was first introduced, it dominated motorcycle racing in the United States.
The Harley-Davidson Motor Company: An Official Eighty-Year History (Second ed.). Motorbooks International. pp. 46–97. ISBN 0-87938-245-7. William H. Davidson told directors that 10,000 were made and sold in the first seven months of 1947. Online "Harley-Davidson Timeline 1960s". Harley-Davidson Timeline. Harley-Davidson. 2015.