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Honda D2-492-29-05
Photo ou archives : F-M. Dumas

Capacity : 500
Model : CR
Production : 1984 - 1992
Category : (Off-Road) MX


CRM 500 I Georges Jobe - 1987

Last of the handbuilt prototypes

Since its official works involvement began in 1979, Honda has left a lasting imprint on the history of the World 500cc Motocross Championships, and has taken the title from one season to the next.

One-Off Prototypes

In fact, the works was directly involved in this premier category from 1979 to 1986, eight seasons of unbelievable work for the competition department, the omnipotent Honda Racing Corporation. It was the HRC that was responsible for the fantastic handbuilt prototypes. The racing CRM had not one component in common with the CR.

Impressive Logistics

Furthermore, each works rider was entitled to a machine custom-built to his personal requirements -–choice of engine characteristics, four- or five-speed transmission, frame geometry, suspension and so on. The logistics were impressive. During a race in Austria, one of the riders caught his leg on the radiator cap. That evening, the team manager reported the incident to Japan and three days later a new radiator shield arrived by courier at the team's Belgian HQ. In 1986, the American Motorcycle Federation formulated its "production rule," which restricted works teams to using machines based on production models. Prototypes that had cost more than $150,000 to build became museu-m pieces overnight, but Honda continued to accumulate honors with highlydeveloped stock machines and the leading category was phased out in 1991. It was the end of an era.


Engine: 491cc (89x79mm) water-cooled single-cylinder

Power Rating: 64 hp @ 6000 rpm

Valves: two-stroke; automatic intake valves in the cylinder

Fuel System: 38mm carburetor

Transmission: 5-speed, chain final drive

Suspension: reversed telescopic forks (front); swing arm with single damper (rear)

Brakes: disc (front & rear)

Wheels: 21 inch (front); 18 inch (rear)

Weight: 224 lb (figures taken from CR500 client version – works details not released)

The works Honda 500 motocross bikes 'ruled the leading class in motocross; the photo shows Georges Jobe, private entrant in 1987.

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.

© Tous droits réservés
François-Marie Dumas

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