Japauto Honda - Bol d'Or
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Japauto Honda D2-492-66-05
Photo ou archives : F-M. Dumas

Capacity : 1000
Model : Bol d'Or
Production : 1973 -
Category : (R) Street Bike


1000 Endurance I 950 SS -1973

Star of the Bol d’Or

The biggest Honda retailer in Europe, Christian Vilaseca was a great sports type, when he mounted his attack on the Bol d'Or in 1970. Not content to enter a Honda, Vilaseca wanted to run a bike bearing his business's name - Japauto. The famed 750 four had its displacement increased to 946cc, a second front brake disc was added downstream of the first and the whole was dad in a full fairing.

Biggest Was Best

In 1971, the japauto - the biggest displacement bike entered for the Bol d'Or - finished

no better than 20th, but Vilaseca achieved his goal in 1972, when the Japauto of Ruiz / Debrock won the famous race.

New Fairing

In 1973, the ]apauto sported a new wedge-shaped fairing designed by Motorcycle Sport Design, as voluminous as it was original and very aerodynamic. The comfort it gave – exceptional for an endurance bike - was greatly appreciated by Debrock and. Tchernine, who, despite bad weather, won a second victory in the 1973 Bol d'Or. In 1974, the Japauto adopted four-pad brake calipers and a frame built by PEM, following the Honda layout. Vileseca executed a more personally-designed frame for the 1975 version. Even before these successes in the Bol d'Or, Vilaseca placed a version of this bike on sale under the name "950 SS." In fact, it consisted of a kit including four sleeves and four pistons (made in France), plus a complete cylinder block, a second front disc brake and an iodine headlamp. In 1971, fitting the 950 SS kit added over 30 percent to the cost of a new 750 Honda.


Engine: 946cc (70x63mm) air-cooled fourcylinder four-stroke; dry-sump lubrication

Power Rating: 100 hp@ 8000 rpm

Valves: overhead-camshaft. 8 valves

Fuel System: four 31.5mm Keihin carburetors

Transmission: 5-speed, chain final drive

Suspension: telescopic forks (front); Swing arm (rear)

Brakes: rwin Brembo 11.8 inch discs (front);

Lockheed 1 1 .8 inch disc (rear)

Weight: 441 lb

Maximum Speed: 137 mph


Built to the old formula that "there's no substitute for cubic inches, "the Japauto was a gentle giant, both in its street version (photo) and in the Bol d’Or.

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 info@moto-collection.org for conditions and copyright.

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François-Marie Dumas

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