Harley Davidson Other
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c.1918 Harley-Davidson 'Board Track' Racing Motorcycle
Engine no. 18T 9749
* Early F-head twin-cylinder model
* Three-speed transmission
* An older restoration in board track racer style
1909 marked the appearance of Harley-Davidson's first v-twin, though it was not until the adoption of mechanically operated inlet valves in 1911 (replacing the 'atmospheric' type inherited from the single) that production really took off. Known by the sobriquet 'pocket valve', this 'F-head' (inlet-over-exhaust) engine - built in 61ci and 74ci capacities (1,000cc and 1,200cc respectively) - would remain in production for the next 20 years. The Harley single's transmission arrangements - direct drive by means of a leather belt - were continued at first on the twin, but the need to make better use of the engine's power characteristics, particularly for sidecar pulling, prompted the introduction of a two-speed rear hub for 1914, by which time chain drive and a proper clutch had been adopted. Later that same year a conventional, three-speed, sliding-gear transmission with 'step starter' was introduced on the top-of-the-range version of the twin which, with full electrical equipment, was listed from now on as the Model J.
An older restoration, the machine we offer has been restored in the style of a board track racer. Board track racing became popular in the USA in the early 20th Century, when purpose-built tracks sprang up catering for both cars and motorcycles. The racing was spectacular and often dangerous there were numerous fatal accidents but what eventually led to its decline was the expense of maintenance and relocation, and the motorcycle sporting scene shifted to dirt ovals constructed for horse racing.
Harley-Davidson remained aloof from motorcycle sport in its formative years, preferring to concentrate on developing its road models and the establishment of a national dealer network. The first serious factory racing effort was launched in 1914 and soon bore fruit, one of its more spectacular early achievements being victory in the Dodge City 300 in 1915 when six of the first seven machines home were Harley-Davidsons.
Noteworthy features of this motorcycle include the kick starter-equipped three-speed countershaft gearbox, un-sprung front fork, foot boards, dropped handlebars and short straight-through exhaust pipes. There are no documents with this Lot.