Harley-Davidson 1 200 cm3 Model JD Side-car 1922  Frame no. 22JD10617 Engine no. 22JD10617

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Lot 231
Harley-Davidson 1 200 cm3 Model JD Side-car 1922
Frame no. 22JD10617 Engine no. 22JD10617

Sold for € 23,000 (US$ 26,059) inc. premium
Harley-Davidson 1 200 cm3 Model JD Side-car 1922
Frame no. 22JD10617
Engine no. 22JD10617
• Modèle haut de gamme
• Immatriculée en Italie
• Restauration ancienne

Après une tentative avortée en 1909, le bicylindre en V Harley-Davidson réapparut en 1911 sous une forme révisée qui bénéficiait de soupapes d'admission en tête commandées positivement (à la place des soupapes atmosphériques ou automatiques héritées des monocylindres) et la production décolla vraiment. Surnommé « pocket valve », ce moteur à culasse semi-culbutée ou « en F » restera en production pendant 20 ans. Le système de transmission des monos Harley – directe au moyen d'une courroie de cuir – fut conservé au début sur la twin, mais la nécessité d'utiliser mieux le potentiel du moteur, notamment avec un side-car, hâta l'introduction d'un moyeu à deux vitesses pour 1914, date à laquelle la transmission par chaîne et un embrayage normal avaient été adoptés. Plus tard dans l'année, une boîte de vitesses conventionnelle à trois rapports à baladeurs complétée d'un kick de démarrage fut introduite sur la version haut de gamme de la twin qui, dotée d'un équipement électrique complet, fut cataloguée sous la désignation Model J.

Anciennement restauré, cet attelage Model JD représente la twin Harley-Davidson « F-head » dans sa version haut de gamme 1 200 cm3 (74 ci), complète avec sa dynamo et ses éclairages, le side-car étant un modèle Harley-Davidson correct pour la période considérée. Le compteur Corbin est un accessoire particulièrement appréciable. Elle est accompagnée de ses papiers d'immatriculation italiens.

Footnotes

  • 1922 Harley-Davidson 1,200cc Model JD Motorcycle Combination
    Frame no. 22JD10617
    Engine no. 22JD10617

    • Top-of-the-range model
    • Italian registered
    • An older restoration
    .



    Following an abortive attempt in 1909, Harley-Davidson's twin returned for 1911 in redesigned form boasting mechanically operated inlet valves (replacing the 'atmospheric' type inherited from the single) and production really took off. Known by the sobriquet 'pocket valve', this 'F-head' (inlet-over-exhaust) engine 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, this Model JD motorcycle combination represents the Harley-Davidson 'F-head' twin in its top-of-the-range 74ci configuration, complete with electrical generator and lighting set, while the sidecar is of the correct Harley-Davidson pattern for the period. The Corbin speedometer is a particularly nice accessory. Accompanying documentation consists of Italian registration papers.
Contacts
Harley-Davidson 1 200 cm3 Model JD Side-car 1922  Frame no. 22JD10617 Engine no. 22JD10617
Harley-Davidson 1 200 cm3 Model JD Side-car 1922  Frame no. 22JD10617 Engine no. 22JD10617
Harley-Davidson 1 200 cm3 Model JD Side-car 1922  Frame no. 22JD10617 Engine no. 22JD10617
Harley-Davidson 1 200 cm3 Model JD Side-car 1922  Frame no. 22JD10617 Engine no. 22JD10617
Harley-Davidson 1 200 cm3 Model JD Side-car 1922  Frame no. 22JD10617 Engine no. 22JD10617
Harley-Davidson 1 200 cm3 Model JD Side-car 1922  Frame no. 22JD10617 Engine no. 22JD10617
Harley-Davidson 1 200 cm3 Model JD Side-car 1922  Frame no. 22JD10617 Engine no. 22JD10617
Harley-Davidson 1 200 cm3 Model JD Side-car 1922  Frame no. 22JD10617 Engine no. 22JD10617
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