(1969 / Racing Machine)
This was Yamaha Motor's first 50cc GP factory machine and it was developed in line with new machine regulations introduced in 1969. Its liquid-cooled 2-stroke, single-cylinder engine with 6-speed transmission pumped out 17 hp and gave the machine a top speed of over 170 km/h. However, due to the withdrawal of Yamaha's factory teams from the World GP, this machine would never compete in a single race.
- Engine type: Liquid-cooled, 2-stroke, single-cylinder, 49cm³
- Transmission: 6-speed
- Maximum power output: Over 12.5kW (17PS) / 14,500r/min
*All figures, etc. in a model's description or specifications are from when the model was originally released.
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