1997 YZM400F (0WH2)
(1997 / Racing Machine)
This was the first Yamaha factory motocross machine with a 4-stroke engine. It was developed in an attempt to provide the same level of lightness and performance as a 250cc 2-stroke machine, said to be the fastest motocrosser at the time. Andrea Bartolini and Peter Johansson won four and two motos respectively in the 500cc Motocross World Championship, and then, ridden by Doug Henry, it won a historical victory in the final race of the AMA Supercross Championship against 2-stroke machines.
- Engine type: Liquid-cooled, 4-stroke, DOHC, 5-valve, single-cylinder, 397cm³
- Transmission: 4-speed
- Maximum power output: Over 41.9kW (57PS)
- Weight: Over 102kg
*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.