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 Ravat - 250 ESS 6
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Ravat ESS 6 motocyclette motorrad motorcycle vintage classic classique scooter roller moto scooter
Photo ou archives : F-M. Dumas
6103

Capacity : 250
Model : ESS 6
Production : 1926 - 1927
Category : (R) Street Bike

RAVAT

250 FSS 6 - 1927

An assembler of quality

During the 1920s and 1930s, France ┬ľ like Great Britain ┬ľ boasted dozens of specialist components makers. Without their engines, gearboxes, carburetors, lighting sets, brakes and other components, many small marques would never have seen the light of day.

Typical Small Manufacturer

Ravat was typical of those little firms, whose products were an assemblage of bought-in components. The company was based in the industrial town (armaments, sewing machines and cycles) of St. Etienne.

Own-Make Two-Strokes

Ravat started in the cycle industry and ventured into powered two-wheelers in 1922 and 1923 with a 125cc autocycle. True motorcycles of 175 to 350cc appeared around 1925. Unusually, the 175 and 250cc had two-stroke engines of Ravat's own make. The firm's four-stroke models used the famed overhead-valve engines built by Z├╝rcher in its factory at Ia Ferriere in Eastern France, near the border of Ernest Z├╝rcher┬ĺs native Switzerland. Z├╝rcher engines were all ohv units and thus regarded as being rather "sporty." For 1926 and 1927, Ravat offered ┬ľ apart from the 175cc two-stroke BS4 and BT6 models ┬ľ the little 175, 250 and 350cc CS6 and FSS6, all fitted with Z├╝rcher engines. According to the firm's publicity, the gearbox was "made by Ravat and inspired by the finest British boxes," though it was actually supplied by Magnat-Debon. Mindful of the market for plodding side-valves, Ravat also offered the FT8 and HA, 350 and 500cc models powered by British-made Blackburne engines.

SPECIFICATIONS

Engine: 250cc (65x75mm) air-cooled single-cylinder four-stroke; magneto ignition

Power Rating: 6 hp

Valves: overhead

Fuel System: carburetor

Transmission: 3-speed, chain final drive

Suspension: girder forks (front); rigid (rear)

Brakes: drum (front & rear)

Wheels: 650x65 mm or 700x80 mm "comfort" (front & rear)

Weight: 187 lb

Maximum Speed: 50 mph

The Ravat ESS6 was typical of late-1920s design. The tiny muffler is worthy of note, as is the little round container beside the rear mudguard containing a spare inner tube.




Le fichier Moto Passion réalisé par François-Marie Dumas réunit près de deux mille photos accompagnées d'un historique très complet des machines présentées.
Il sera progressivement mis à jour ici et toute information complémentaire est la bienvenue sur info@moto-collection.org.

Cette documentation unique, qui constitue sans doute l'encyclopédie la plus exhaustive jamais écrite sur l'histoire de la moto, a été réalisée avec l'assistance de nombreux spécialistes dont principalement Didier Ganneau, Christophe Gaime, Mick Woollett, Jean Goyard, Bernard Salvat, Christian Rey, Yves Campion, Helmut Krackowizer, Michael Dregni, Michel Montange, etc. que je remercie ici.

Disponible sur demande :
- Les fiches originales sur papier
- Les photos et archives signées de mon nom en haute définition ou les documents originaux.
Me contacter sur info@moto-collection.org pour les conditions et droits d'utilisation.