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First of two H-D flat-twin motorcycle designs put into production, first H-D flathead motorcycle. The fork was a trailing link design. D-series (45 solo) 45.1 cu in (739 cc) flathead: 1929–1932 First H-D 45 cubic inch motorcycle, first H-D flathead V-twin motorcycle. R-series (45 solo: R, RL, RLD,) 45.1 cu in (739 cc) flathead 1932–1936
This a listing of motorcycles of the 1950s, including those on sale, ... Harley-Davidson Servi-Car (produced 1932–1973) [2] Harley Davidson Duo-Glide [3]
Unrestored Harley-Davidson Hummer. The Hummer was a motorcycle model manufactured by Harley-Davidson from 1955 to 1959. However, the name "Hummer" is now incorrectly used generically to refer to all American-made single-cylinder two-stroke Harley-Davidson motorcycles manufactured from 1948 to 1966. [1]
EFI became standard on all Harley-Davidson motorcycles, including Sportsters, upon the introduction of the 2007 product line. [118] In 1991, Harley-Davidson began to participate in the Sound Quality Working Group, founded by Orfield Labs, Bruel and Kjaer, TEAC, Yamaha, Sennheiser, SMS and Cortex. This was the nation's first group to share ...
The Tri Glide is based on the Harley-Davidson Electra Glide Ultra Classic, a conventional two-wheeled touring motorcycle. [1] Harley-Davidson entered into an agreement in 2008 with Lehman Trikes of Spearfish, South Dakota to provide parts and "conversion services", [ 2 ] and final assembly of the Tri Glides was initially completed at Lehman's ...
Flathead motorcycles are a type of bike that was a standard for pre-war motorcycles, in particular US V-twins such as Harley-Davidson and Indian, some British singles, BMW flat twins and Russian copies thereof. [1] Flathead motorcycles have side-valves contained within the engine block, instead of in the cylinder head, as in an overhead valve ...
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 exhaust, better porting, and stronger valves and pistons.
The Model W engine was Harley-Davidson's first flathead engine, [7] and its transmission was the first in a Harley-Davidson motorcycle to be housed in the engine cases. [6] [8] The transmission included helical gear drive, a wet clutch, and a three-speed gearbox. [8] The engine was a stressed member of the frame. [9] [10]