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Harley-Davidson Shovelhead engine at the Harley-Davidson Museum. The Shovelhead engine is a motorcycle engine that was produced by Harley-Davidson from 1966 to 1984, built as a successor to the previous Panhead engine. When the engine was first produced, the Shovelhead had a shallower combustion chamber, larger valve drop for both intake and ...
The Harley-Davidson XR-750 is a racing motorcycle made by Harley-Davidson since 1970, ... These iron head XR-750s of 1970–71 were prone to overheating (humorously ...
Harley-Davidson, Inc. (H-D, or simply Harley) is an American motorcycle manufacturer headquartered in Milwaukee, Wisconsin.Founded in 1903, it is one of two major American motorcycle manufacturers to survive the Great Depression along with its historical rival, Indian Motorcycles. [3]
The Harley-Davidson VRSC (V-twin racing street custom), or V-Rod, is a line of V-twin cruiser motorcycles made by Harley-Davidson from 2002 until 2017. They are often called muscle bikes for their relatively high power output. The V-Rods are the first street motorcycles made by Harley-Davidson with overhead camshafts and liquid cooling.
The Revolution Max is a V-twin motorcycle engine from Harley-Davidson. It features double overhead camshafts and liquid cooling. It debuted in the Pan America adventure bike in February 2021. [1] Harley-Davidson has announced this engine will eventually come in sizes ranging from 500cc to 1250cc. [2]
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 ...
The enclosed engine did not have a cooling fan which, on occasion, led to overheating problems. Hicks, Clifford B., ed. (April 1961). "More power to you! on the new Harley-Davidson Topper H motor scooter" .
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.