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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 ...
Harley-Davidson Evolution engine at the Harley-Davidson Museum. The Evolution engine (popularly known as Evo and sometimes as Blockhead ) is an air-cooled, 45-degree, V-twin engine manufactured from 1984 by Harley-Davidson for the company's motorcycles.
Pages in category "Harley-Davidson engines" ... Harley-Davidson engine timeline; E. Harley-Davidson Evolution engine; F.
Street model using XR racing cylinder head and other XR engine parts. XL, Evolution, "EVO" 53.9 cu in (883 cc), 1,100 cc (6.1 cu in) (1986–1987), 73 cu in (1,200 cc) (1988–) 1986–2022 The first year of the new Sportster to have the Evolution overhead-valve engine, alloy heads XL883N, Iron: 53.9 cu in (883 cc) 2009–2022
1947 Harley-Davidson mod. WL 739 cc engine Harley-Davidson 45° V-twin, Sportster Evolution engine. Sportster motorcycles are powered by a four-stroke, 45° V-twin engine in which both connecting rods, of the "fork and blade" or "knife & fork" design, share a common crank pin.
By 1937, all Harley-Davidson flathead engines were equipped with dry-sump oil recirculation systems similar to the one introduced in the "Knucklehead" OHV engine. The revised 74 cubic inches (1,210 cm 3 ) V and VL models were renamed U and UL, the 80 cu in (1,300 cm 3 ) VH and VLH to be renamed UH and ULH, and the 45 cu in (740 cm 3 ) R to be ...
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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 ...