1971 Yamaha DS 7 specifications
Available technical data for this model and year. Specifications can vary by market and version.
Technical specifications
| Displacement | 247.0 ccm (15.07 cubic inches) |
|---|---|
| Engine type | Twin, two-stroke |
| Power | 24.0 HP (17.5 kW )) @ 7500 RPM |
| Compression | 7.1:1 |
| Bore x stroke | 54.0 x 54.0 mm (2.1 x 2.1 inches) |
| Fuel control | Port control |
| Cooling system | Air |
| Gearbox | 5-speed |
| Transmission type | Chain (final drive) |
| Front brakes | Expanding brake |
| Rear brakes | Expanding brake |
| Front tyre | 3.00-18 |
| Rear tyre | 3.25-18 |
| Weight incl. oil, gas, etc | 146.0 kg (321.9 pounds) |
| Fuel capacity | 12.00 litres (3.17 US gallons) |
| Top speed | 140.0 km/h (87.0 mph) |
Source: Bikez: DS 7, 1971. Retrieved 2026-09-19. Match confidence: exact.
Years listed are the entries held in this archive, rather than a complete production history.
Browse AG to DT models and variants · Parts buying guide · Decals and graphics