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 Bimota - Tesi 2
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Bimota D2-492-26-17
Photo ou archives : F-M. Dumas

Capacity : 750
Model : Tesi 2
Production : 1984 - 1984
Category : (R) Street Bike


750 Tesi 2 - 1984

A laboratory on two-wheels

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.”

Motorcycle encyclopedia Moto Passion, realised by François-Marie Dumas, include almost 2000 photos presented with an exhaustive history of the motorcycles exhibited.

This unique collection has been realised with the participation of many specialists. With many thanks in particular to Yves Campion, Michael Dregni, Didier Ganneau, Jean Goyard, Helmut Krackowizer, Michel Montange, Christian Rey, Bernard Salvat, Mick Woollett, etc

One can order here

  • Original cards on paper (in french)
  • High resolution scans or original documents presented and signed with my name.

Please contact me at for conditions and copyright.

© Tous droits réservés
François-Marie Dumas

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