| General information | |
|---|---|
| Model: | Yamaha RD 400 |
| Year: | 1978 |
| Category: | Classic |
| Engine and transmission | |
| Displacement: | 399.00 ccm (24.35 cubic inches) |
| Engine type: | Twin |
| Stroke: | 2 |
| Power: | 43.00 HP (31.4 kW)) @ 7500 RPM |
| Compression: | 6.0:1 |
| Bore x Stroke: | 64.0 x 62.0 mm (2.5 x 2.4 inches) |
| Fuel control: | Membrane |
| Cooling system: | Air |
| Gearbox: | 6-speed |
| Transmission type final drive: | Chain |
| Physical measurements | |
| Weight incl. oil, gas, etc: | 175.0 kg (385.8 pounds) |
| Chassis and dimensions | |
| Front tyre dimensions: | 3.00-18 |
| Rear tyre dimensions: | 3.50-18 |
| Front brakes: | Single disc |
| Rear brakes: | Single disc |
| Speed and acceleration | |
| Top speed: | 175.0 km/h (108.7 mph) |
| Other specifications | |
| Fuel capacity: | 16.50 litres (4.36 gallons) |
 | |
