Why the R1 Left the Street

The street-legal Yamaha YZF-R1 is gone. After model year 2024, Yamaha decided not to adapt the 998 cc CP4 Crossplane inline-four to Euro 5+ emissions requirements. The official explanation is economic: market demand no longer justified the investment.

The deeper logic is more straightforward. The CP4 is a racing engine that had been dressed as a streetbike. Now the street layer is gone. The 2026 R1 Race is what the R1 always wanted to be on a circuit: no compromise for road homologation, no catalytic converter, no street tires. Racetrack only.

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