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 Bimota - 906 Tesi 1D
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Bimota Tesi 1D motocyclette motorrad motorcycle vintage classic classique scooter roller moto scooter
Photo ou archives : F-M. Dumas

Capacity : 906
Model : Tesi 1D
Production : 1990 -
Category : (R) Racing


906 -Tesi 1D – 1990

 Pierluigi Marconi and Roberto Ugolini, two engineering students, were only 23 years old each when they submitted a project for a revolutionary motorcycle to the Bimota company. The bike was the subject of their final degree thesis - "Tesi" in Italian.

Advanced Technology

Powered by a 400cc Honda V4 and built under the technical direction of Federico Martini, their design was shown at Milan in 1983. It was distinguished by its hub-center steering, which was controlled by hydraulic rams, and its carbon-fiber frame. When the Tesi appeared the following year, it was powered by a 750cc Honda V4: Bimota entered it for races with Davide Tardozzi as rider.

 Design Problems

The bike's development proved trickier than anticipated - some of its advanced features had to be abandoned. A third version, with a simple tubular frame, appeared at the end of 1985. An FZ 750 Yamaha engine replaced the original power unit in 1987, and a subsequent revision in 1988 dropped off the hydraulic steering in favor of bell-cranks. Marconi, who had become technical executive at Bimota, reopened the project in late 1991. The Tesi reappeared in a "street" version with a Ducati engine. Intended to be built in series, this version has not yet gone into production, though Bimota ultimately plans to make this latest Tesi its flagship model.


• Engine: 851cc or 906cc four-stroke watercooled Ducati twin

• Power output: 100 hp

• Valves: twin overhead camshafts. 4 valves per cylinder

• Fuel system: electronic fuel injection

• Transmission: six-speed gearbox, chain final drive

• Suspension: (front) leading arms; (rear) swinging arm

• Brakes: (front) disc: (rear) disc

• Wheels: light alloy: (front) 17 in; (rear) 17 in

• Weight: 400 lb

• Maximum speed: 180 mph

The Bimota Test 1D is planned to become the standard-bearer in the Italians lone struggle against the wave of Japanese bikes in Europe.”

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.