1979 Yamaha DT 125 E specifications
Available technical data for this model and year. Specifications can vary by market and version.
Technical specifications
| Displacement | 123.0 ccm (7.51 cubic inches) |
|---|---|
| Engine type | Single cylinder, two-stroke |
| Power | 10.0 HP (7.3 kW )) @ 6800 RPM |
| Compression | 7.1:1 |
| Bore x stroke | 56.0 x 50.0 mm (2.2 x 2.0 inches) |
| Fuel control | Membrane |
| Cooling system | Air |
| Gearbox | 5-speed |
| Transmission type | Chain (final drive) |
| Front brakes | Expanding brake |
| Rear brakes | Expanding brake |
| Front tyre | 2.75-21 |
| Rear tyre | 3.25-18 |
| Weight incl. oil, gas, etc | 119.0 kg (262.4 pounds) |
| Fuel capacity | 7.00 litres (1.85 US gallons) |
| Top speed | 110.0 km/h (68.4 mph) |
Source: Bikez: DT 125 E, 1979. Retrieved 2026-09-19. Match confidence: exact.
Years listed are the entries held in this archive, rather than a complete production history.
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