| TECHNICAL SPECIFICATION |
|---|
| Model ID |
|---|
| Manufacturer (Make) | Yamaha |
| Model Name | DT 400 MX |
| Year | 1978 |
| Category(class) | Enduro |
| Engine |
|---|
| Engine Capacity (Displacement) | 397 ccm (24.23 cubic inches) |
| Engine Type | 1 cylinder |
| Bore x Stroke | Ø85.0 mm x 70.0 mm (Ø3.35 inches x 2.76 inches) |
| Bore/Stroke Ratio | 1.21 |
| Stroke | 2 |
| Timing System | MEMBRANE |
| Cooling System | Air |
| Powertrain |
|---|
| Gearbox | 5 speed |
| Chassis/Suspension/Brakes |
|---|
| Front Brakes | Drum |
| Rear Brakes | Drum |
| Front Tire | 3.00-21 |
| Rear Tire | 4.00-18 |
| Dimensions |
|---|
| Curb Weight | 141 kg (311 lb) |
| Fuel Capacity | 9 litres (2.38 gallons) |
| Performance |
|---|
| Max Power | 21.00 HP (15.3 kW) at 5600 RPM |
| Power/Weight Ratio | 0.15 Hp/Kg |
| Top Speed | 136 km/h (84mph) |
| Acceleration (dart, speedup) time | |
| 0-100 km/h | 10.1 seconds |
| 0-60 mph | 9.6 seconds |
| 1/4 mile | - |
| 60 to 140 km/h, highest gear | - |
