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Triumph T 140 E Bonneville - 1981 Specifications and Reviews
The 1981 Triumph T140E Bonneville is a classic British twin-cylinder roadster suited to riders seeking authentic vintage performance and style. Known for its reliable air-cooled engine and distinctive parallel-twin character, it delivers accessible power with genuine retro appeal. Its 744cc engine and 5-speed transmission make it ideal for everyday riding and long-distance cruising.
General information | |
| Category | Classic |
| Year | 1981 |
| Model | Triumph T 140 E Bonneville |
| | |
Engine and Transmission Specifications | |
| Transmission type,final drive | Chain |
| Gearbox | 5-speed |
| Cooling system | Air |
| Fuel control | OHV |
| Valves per cylinder | 2 |
| Bore x stroke | 76.0 x 82.0 mm (3.0 x 3.2 inches) |
| Compression | 9.0:1 |
| Top speed | 176.0 km/h (109.4 mph) |
| Power | 49.00 |
| Engine type | Twin, four-stroke |
| Capacity: | 744.00 ccm (45.40 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Rear brakes | Single disc |
| Front brakes | Single disc |
| Rear tyre dimensions | 4.10-18 |
| Front tyre dimensions | 4.10-19 |
Physical measures and capacities | |
| Fuel capacity | 18.50 litres (4.89 gallons) |
| Weight incl. oil, gas, etc | 206.0 kg (454.2 pounds) |
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