V3 Engine with Supercharger: Honda Shakes Up the Rules!
Presented in its world premiere at EICMA 2025, the Honda V3R 900 E-Compressor ushers in a new technical era.
Honda took advantage of the EICMA 2025 show in Milan to unveil a prototype that cannot go unnoticed: the V3R 900 E-Compressor. With its unprecedented V3 engine and electronically controlled compressor, this machine embodies the manufacturer’s desire to explore new mechanical architectures.
Developed around the “Non-Rail Roller Coaster” concept, this prototype seeks to reconcile two often opposing ambitions: intense sensations and absolute stability. This concept, literally “roller coaster without rails,” reflects Honda’s determination to offer riding sensations comparable to those of a high-intensity attraction – fluid, unpredictable, and exhilarating – while maintaining total control and exemplary precision, as if the machine were floating freely on the road.
Honda in uncharted territory
At the heart of the project, the 75° V3 engine stands out for its compactness and liquid cooling. It is an evolution of the unit presented last year, whose displacement now reaches 900 cm³. The true innovation, however, lies in its electronically controlled compressor, a world first for a motorcycle. This system adjusts boost in real time, ensuring instant and linear torque while limiting fuel consumption and emissions. Engineers announce performance comparable to that of a 1,200 cm³ engine without the drawbacks related to weight or mechanical complexity.


On the design side, the asymmetrical fairing is not a mere stylistic effect; it directly results from the three-cylinder V architecture and the specific placement of the compressor, which impose a unique volume distribution. This technical choice gives the motorcycle a distinctive look and highlights the very nature of its engine, the true beating heart of the project.
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With the V3R 900 E-Compressor, Honda is not just making a style exercise: the manufacturer introduces a rolling laboratory, a showcase of its ambition to combine controlled power, efficiency, and riding pleasure. A promise that, if realized, could redefine the standards of tomorrow’s motorcycle.
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This page is translated from the original post "Moteur V3 à compresseur : Honda bouscule les codes !" in French.
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