(1980 / Production Model)
This trail model featured a powerful 4-stroke 250cc single-cylinder engine with linear power-development characteristics mounted on a diamond type frame. The rear's Yamaha-exclusive Monocross suspension helped achieve a light body weight of 114 kg. It became popular as a “super trail” model well suited for a wide range of off-road use, from dirt and woods riding to enduro racing.
- Overall length × width × height: 2,135mm × 885mm × 1,170mm
- Weight: 114kg
- Engine type: Air-cooled, 4-stroke, SOHC, 2-valve, single-cylinder, 249cm³
- Maximum power output: 15.4kW (21.0PS) / 8,000r/min
- Maximum torque: 19.6N･m (2.0kgf･m) / 6,500r/min
- Price: ¥298,000
*All figures, etc. in a model's description or specifications are from when the model was originally released.