Uploaded August 2026 | Updated September 2026, 1 hour ago
The final version of Kawasaki’s H1R 500 cc machines was the RW of 1975. Only three were constructed, making it a rare beast indeed!
The Kawasaki H1R 500 RW (often written as H1-RW) was a highly exclusive, factory-built Grand Prix racing motorcycle introduced in 1974–1975. Based on the legendary 500cc two-stroke "Mach III" triple road bike, the "RW" designation marked a massive evolutionary leap for Kawasaki's racing program, transitioning the motorcycle from an air-cooled engine to a water-cooled engine (hence the "W")
The final version of Kawasaki’s H1R 500 cc machines was the RW of 1975. Only three were constructed, making it a rare beast indeed!
The Kawasaki H1R 500 RW (often written as H1-RW) was a highly exclusive, factory-built Grand Prix racing motorcycle introduced in 1974–1975. Based on the legendary 500cc two-stroke "Mach III" triple road bike, the "RW" designation marked a massive evolutionary leap for Kawasaki's racing program, transitioning the motorcycle from an air-cooled engine to a water-cooled engine (hence the "W")
