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 Aprilia - RX 6 days
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Aprilia D2-492-25-15
Photo ou archives : archives FMD

Capacity : 125
Model : RX 6 days
Production : 1989 - 1991
Category : (Off-Road) Enduro


RX 125 Six Days - 1990

Machine of many takers

With its RX 125 Six Days, Aprilia offered an extreme enduro variation on the 125 trail bike theme. Starting as timid scramblers, the 125 trail bikes had continued to evolve along ever more radical lines.

Adapt and Specialize

Trail bikes have adapted and specialized, and become available as replica motocross machines, African rally bikes or supermotard racers. Aprilia turned this progression on its head by creating the dynamic Six Days "replica" that, instead of being a refined trail bike, is a "civilized" evolution of a dedicated competition machine.

Day-to-Day Usability

It's not always true that trail bikes built for endurance events can readily adapt to Jess demanding use. Competition mounts can be demanding in terms of maintenance, are noisy and make no concessions in terms of performance. They can lack the adaptability, comfort, practicality and long-term reliability of a highway machine. The aim with the Aprilia RX 125 Six Days was to create a genuine enduro machine – oversized frame, sophisticated suspension, high-quality component parts, powerful Rotax engine – that was just as usable on a day-to-day basis. To that end, it had road-going equipment and separate lubrication. Launched in 1990, the RX Six Days became, two years later, the "RX 125R Pure Racing World Championship Replica" with improved handling. It was the pioneer of a new category in which the Japanese marques are becoming interested.


Engine: 124.8cc (54x54.5mm) water-cooled single-cylinder

Power Rating: 34.5 hp

Valves: two-stroke; rotary intake valve, pneumatic exhaust valve

Fuel System: carburetor

Transmission: 6-speed, chain final drive

Suspension: upside-down adjustable telescopic forks, 11.4 inch travel (front); swing arm with single damper and adjustable bellcranks, 11.8 inch travel (rear)

Brakes: disc (front & rear)

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

Weight: 295 lb

The Italian Stefano Passeri placed third in the 1991 world enduro championship with this dramatic off-roader.

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.

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François-Marie Dumas

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