Triumph Bonneville T120
| Manufacturer | Triumph Engineering |
|---|---|
| Production | 1959–1975 |
| Engine | 649 cc (39.6 cu in) air-cooled, ohv 360° parallel-twin |
| Bore / stroke | 71 mm × 82 mm (2.8 in × 3.2 in) |
| Compression ratio | 8.5:1 |
| Top speed | 108 mph (174 km/h) |
| Power | 46 bhp (34 kW) @ 6,500 rpm |
| Torque | 37.8 lb⋅ft (51 N⋅m) @ 5,500 rpm |
| Ignition type | Lucas K2F magneto, battery and coil from 1964[3] |
| Transmission | 4-speed gearbox (and later 5-speed) with chain final drive |
| Tyres | 3.25x19 front, 4.00x18 rear, 3.25x18 and 3.50x18 from 1964[3] |
| Wheelbase | 55 in (1,400 mm) |
| Seat height | 30.5 in (770 mm) |
| Weight | 402 lb (182 kg) (wet) |
The Triumph Bonneville T120 represents a more powerful and feature-rich iteration of the classic Bonneville design. Equipped with a 1200cc high-torque parallel-twin engine, it boasts significantly more power and a richer, deeper exhaust note compared to the T100. This translates to a more exhilarating ride, particularly on open roads. Beyond the increased performance, the T120 incorporates premium features such as upgraded suspension, rider modes (Road and Rain), traction control, and cruise control, elevating both comfort and rider confidence. Its aesthetic enhancements often include more detailed finishes and higher-quality components, reflecting its position as the more luxurious option within the Bonneville family. Despite its added power and features, the T120 maintains the comfortable riding position and classic styling that defines the Bonneville lineage.
