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  2. Harley-Davidson Knucklehead engine - Wikipedia

    en.wikipedia.org/wiki/Harley-Davidson...

    The knucklehead is a retronym used by enthusiasts to refer to a Harley-Davidson motorcycle engine, so named because of the distinct shape of the rocker boxes. [1] The engine is a two-cylinder, 45 degree, pushrod actuated overhead valve V-twin engine with two valves per cylinder. It was the third basic type of V-Twin engine used by Harley ...

  3. File:Harley-Davidson Museum February 2024 11 (Engine Room ...

    en.wikipedia.org/wiki/File:Harley-Davidson...

    A Harley-Davidson Knucklehead engine at the Harley-Davidson Museum in Milwaukee, Wisconsin. Items portrayed in this file depicts. Harley-Davidson Knucklehead engine.

  4. Harley-Davidson FL - Wikipedia

    en.wikipedia.org/wiki/Harley-Davidson_FL

    The V2 engine introduced in 1948, colloquially called Panhead, was available as E, EL, F, FL depending on size and compression 2019 Harley Davidson FLHT. Harley-Davidson FL is a model designation used for Harley-Davidson motorcycles since 1941, when F referred to the new large capacity 74 cui (1200cc) variant of the V-2 Overhead valve engine (″Knucklehead″) that was introduced in 1936 as ...

  5. Harley-Davidson engine timeline - Wikipedia

    en.wikipedia.org/wiki/Harley-Davidson_engine...

    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 workshop of the time, prior to that in 1901. That first engine was a single cylinder model, based on the French developed De Dion-Bouton internal ...

  6. Harley-Davidson Panhead engine - Wikipedia

    en.wikipedia.org/wiki/Harley-Davidson_Panhead_engine

    The Panhead engine replaced the Knucklehead engine in 1948 and was manufactured until 1965 when it was replaced by the Shovelhead. As Harley-Davidson engines evolved, the distinctive shape of the rocker covers led Harley enthusiasts to recognise an engine simply by identifying the head, with names such as "Flathead", "Knucklehead" "Panhead ...

  7. List of motorcycles by type of engine - Wikipedia

    en.wikipedia.org/wiki/List_of_motorcycles_by...

    A transverse engine is an engine mounted in a vehicle so that the engine's crankshaft axis is perpendicular to the direction of travel. In a longitudinal engine configuration, the engine's crankshaft axis is parallel with the direction of travel. However, the description of the orientation of "V" and "flat" motorcycle engines differs from this ...

  8. Category:Harley-Davidson engines - Wikipedia

    en.wikipedia.org/wiki/Category:Harley-Davidson...

    Harley-Davidson Knucklehead engine; P. Harley-Davidson Panhead engine; R. Revolution Max; S. Harley-Davidson Shovelhead engine This page was last edited on 11 ...

  9. Harley-Davidson RL 45 - Wikipedia

    en.wikipedia.org/wiki/Harley-Davidson_RL_45

    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.