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 Honda - NR pre-production
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Honda D2-492-02-10
Photo ou archives : F-M. Dumas

Capacity : 750
Model : NR pre-production
Production : 1992 - 0
Category : (R) Street Bike

Honda 750 NR Pre-production 1992

Technical summits

"The Big Four of the Japanese motorcycle industry (Yamaha, Kawasaki, Suzuki, and Honda) are engaged in a bitter struggle for technological supremacy. The majority has chosen to produce mass-market: Yamaha offers the 1000 FZR, Kawasaki has its 750 ZXR-R and Suzuki - with models like the 250 RGV - markets replicas of its Grand Prix racers.


High-Tech Superbikes

Honda, on the other hand, has chosen a different route by opting for more realistic mass-market models while building its high technology superbikes in limited editions. After the fabulous RC 30, a 750cc replica of its victorious endurance racers, the latest in this vein is the NR 750, the most advanced superbike ever built.


Return to GP Racing

Its story started back in 1979 when Honda returned to Grand Prix racing with a fourstroke bike. That original NR was a failure, despite Honda's determination to make it work, and it was replaced by a two-stroke racer. The idea of a V4 with oval pistons was conceived by the brilliant engineer S. Irimajiri, who had earlier created the 1966 250cc GP racer and the 1978 1000 CBX production six-cylinder. Irimajiri returned to the idea in 1990 with the NR 750, the ultimate V4. It combined Honda's most advanced technology with the wide use of exotic materials.



Engine: 748cc liquid-cooled four-stroke V4

Valves: gear-driven twin overhead camshafts, 8 valves per cylinder

Fuel system: electronic multipoint injection

Transmission: chain final drive

Suspension: (front) telescopic; (rear) swinging arm

Brakes: (front) twin discs; (rear) disc

Wheels: cast alloy

Weight: 490 lb.

Maximum speed: 190 to 210 mph


The NR is perhaps the most technically advanced superbike ever built. It was launched as a prototype in 1990.”


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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