(1957 / Production Model)
This is a model born out of a pursuit of design originality. Taking “a 250cc for the Japanese” as its key words, it was given a compact and easy-to-ride body size that fit the Japanese physique. It also embodied a “dynamic design” that gave the impression of powerful dynamism in any situation. It mounted Yamaha Motor's first 2-cylinder engine. In the world of Japanese motorcycles that was dominated at the time by utility models, the YD-1 brought a new style of sports motorcycling to the market.
- Overall length × width × height: 1,935mm × 705mm × 935mm
- Weight: 140kg
- Engine type: Air-cooled, 2-stroke, in-line 2-cylinder, 247cm³
- Maximum power output: 10.8kW (14.7PS) / 6,000r/min
- Maximum torque: 18.6N･m (1.9kgf･m) / 4,000r/min
- Price: ¥185,000
*All figures, etc. in a model's description or specifications are from when the model was originally released.