(1964 / Production Model)
This was the third generation model of the YDS series of 2-stroke, 2-cylinder road sports bikes. With the “Autolube” separate oil supply system that revolutionized 2-stroke engine models, increased low- to mid-speed performance and a 3-way adjustable shock absorber, it achieved improved riding performance and handling in city areas and attracted many new fans internationally as a Japanese sport model.
*The tuning fork mark on the tank was changed to “YAMAHA” six months after the release.
- Overall length × width × height: 1,975mm × 780mm × 1,050mm
- Weight: 159kg
- Engine type: Air-cooled, 2-stroke, in-line 2-cylinder, 246cm³
- Maximum power output: 17.6kW (24.0PS) / 7,500r/min
- Maximum torque: 22.6N･m (2.3kgf･m) / 6,000r/min
- Price: ¥187,000
*All figures, etc. in a model's description or specifications are from when the model was originally released.