Vehicle information
| Brand | YAMAHA |
|---|---|
| Model | YZ |
| Type | YZ 400 2T |
| Construction type | Motorcycle |
| Year of construction | 1975–1979 |
| Engine type | Petrol Engine (two-stroke) |
| Drivetrain type | Chain |
| Power | 40 kW • 55 hp |
| Cylinder capacity | 399 ccm |
| Cylinder count | 1 |
| Ccm tech | 399 |
| Fuel type | Mixture |
| Fuel type process | Intake Manifold Injection/ Carburettor |