1997 YZM400F (0WH2)
Collection items
(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
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