1934 Norton 650cc Big Four Engine No. 8204
Lot 428
c.1937 Norton 597cc Big 4 Frame no. 709076 Engine no. 8204 (see text)
Sold for €6,325 (US$ 8,496) inc. premium
Lot Details
c.1937 Norton 597cc Big 4
Registration no. 6876 VG 61
Frame no. 709076
Engine no. 8204 (see text)
Having hitherto relied on proprietary engines, Norton introduced its own power unit in 1907. The long-stroke (82x120mm) sidevalve single displaced 633cc and the new model it powered became known as the 'Big 4'. Considered by many to be an ideal sidecar 'tug', the Big 4 (and its 490cc 16H sibling) would be continuously updated for the next 30-plus years, many seeing service with Allied forces in WW2. Post-war, the Big 4 was revised with a shorter (113mm) stroke for a capacity of 597cc before taking its final bow, alongside the16H, in 1954. Last insured for road use in 2005, this restored Big 4 is offered with French Carte Grise de collection. It should be noted that the engine number has been re-stamped.

Footnotes

  • Norton 597 cm3 Big 4 c.1937
    Immatriculation n° 6876 VG 61
    Cadre n° 709076
    Moteur n° 8204 (voir texte)

    Après avoir utilisé des moteurs produits extérieurement, Norton introduisit son propre moteur en 1907. Le monocylindre longue course (82 x 120 mm) à soupapes latérales déplaçait 633 cm3 et le nouveau type de moto qu'il propulsait fut vite appelé la « Big 4 ». Jugée par beaucoup comme la moto idéale pour être attelée d'un side-car, la Big 4 (et sa cadette, la 16 H de 490 cm3 ) allaient être sans cesse modernisées pendant plus de 30 ans, un grand nombre de machines servant les forces alliées pendant la Seconde Guerre mondiale. Après la guerre, la Big 4 fut retouchée avec une course raccourcie (113 mm) donnant une cylindrée de 597 cm3 avant de tirer sa révérence avec la 16 H en 1954. Assurée pour la dernière fois pour la route en 2005, cette Big 4 restaurée est offerte avec sa carte grise française de collection. On notera que le numéro du moteur a été refrappé.

Saleroom notices

  • La machine est vendue avec son certificat d'immatriculation, mais pas la carte grise comme indiquée au catalogue. The machine is offered with a Certificat d'immatriculation, not a Carte Grise as stated in the catalogue.
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