(1987 / Racing Machine)
This was a factory-modified version of the 1987 YZ125 production motocrosser. It adopted special parts throughout, such as the front and rear suspensions, front and rear disc brakes, intake and exhaust systems and the aluminum fuel tank, all of which boosted competitiveness. John van den Berk rode this machine to bring Yamaha its first 125cc class World Championship title.
- Engine type: Liquid-cooled, 2-stroke, single-cylinder, 123cm³
- Crankcase reed intake valve
- Transmission: 6-speed
- Maximum power output: Over 25.4kW (34.5PS)
*Figures show production model specs
*All figures, etc. in a model's description or specifications are from when the model was originally released.
Notice: The coloring and logos on the models on display have been reproduced to match the actual appearance in their day, and in the case of tobacco maker logos, their reproduction is in no way intended as promotion of the products or brands involved. The Yamaha Motor group accepts no responsibility regarding the damaging effects of smoking on health, etc.