1973 Yamaha U7E specifications
Available technical data for this model and year. Specifications can vary by market and version.
Technical specifications
| Displacement | 72.0 ccm (4.39 cubic inches) |
|---|---|
| Engine type | Single cylinder, two-stroke |
| Power | 4.9 HP (3.6 kW )) @ 6500 RPM |
| Torque | 6.4 Nm (0.6 kgf-m or 4.7 ft.lbs) @ 4500 RPM |
| Compression | 6.8:1 |
| Bore x stroke | 47.0 x 42.0 mm (1.9 x 1.7 inches) |
| Fuel system | Carburettor |
| Transmission type | Chain (final drive) |
| Dry weight | 77.0 kg (169.8 pounds) |
| Overall height | 1005 mm (39.6 inches) |
| Overall length | 1840 mm (72.4 inches) |
| Overall width | 645 mm (25.4 inches) |
| Ground clearance | 135 mm (5.3 inches) |
| Wheelbase | 1175 mm (46.3 inches) |
| Fuel capacity | 4.50 litres (1.19 US gallons) |
| Top speed | 85.0 km/h (52.8 mph) |
Source: Bikez: U7E, 1973. 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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