(1967 / Production Model)
This was Yamaha Motor's largest displacement sport model at the time. It covered the 400 m sprint off the line in 13.8 seconds, and could reach a maximum speed of 173 km/h. Featuring a newly developed 350cc, 2-cylinder engine with aluminum cylinders, a return type 5-speed transmission, "Autolube" and more, it boasted excellent cooling capacity and light weight. The R1 chassis featured a highly rigid double cradle frame, telescopic front fork, 3-way adjustable rear suspension and fully waterproof drum brakes.
- Overall length × width × height: 2,060mm × 770mm × 1,050mm
- Weight: 170kg
- Engine type: Air-cooled, 2-stroke, in-line 2-cylinder, 348cm³
- Maximum power output: 26.5kW (36.0PS) / 7,000r/min
- Maximum torque: 37.3N･m (3.8kgf･m) / 6,500r/min
- Price: ¥228,000
*All figures, etc. in a model's description or specifications are from when the model was originally released.