The 1973 Triumph T140 Bonneville from United Kingdom was powered by a 744cc OHV twin producing 49hp at 6200rpm. Weighing 185.0kg (408 lbs) and with a seat height of 790mm, it was aimed at standard riders.
The 1982 Triumph TSS by contrast offered 744cc of OHV twin power, delivering 50hp at 6500rpm. Tipping the scales at 185.0kg (408 lbs) with a top speed of 170km/h (106 mph), it offered a distinct riding experience. 1970s bikes from the Japanese superbike revolution are increasingly sought after. Clean, original examples have seen significant value appreciation.
Specifications Comparison
| 1973 Triumph T140 Bonneville | 1982 Triumph TSS | |
|---|---|---|
| Displacement | 744 cc | 744 cc |
| Power | 49 hp | 50 hp |
| Torque | 54.0 Nm | 54.0 Nm |
| Cylinders | 2 | 2 |
| Top Speed | 175 km/h | 170 km/h |
| Quarter Mile | — | — |
| Dry Weight | 185.0 kg | 185.0 kg |
| Wet Weight | 198.0 kg | 198.0 kg |
| Seat Height | 790 mm | 790 mm |
| Wheelbase | 1410 mm | 1410 mm |
| Fuel Capacity | 14.0 L | 14.0 L |
| Gears | 5 -speed | 5 -speed |
The Verdict
Comparing these two Triumph machines reveals the brand's evolution. The 1973 Triumph T140 Bonneville laid the groundwork with 49hp, while the later 1982 Triumph TSS pushed output to 50hp. From a collector's perspective, the 1973 Triumph T140 Bonneville holds the edge with a 7/10 rating. Either way, both are worthy additions to any Triumph collection. Parts availability is good for the 1973 Triumph T140 Bonneville and moderate for the 1982 Triumph TSS — an important factor for any restoration project.
About the 1973 Triumph T140 Bonneville
Born in 1973, the 1973 Triumph T140 Bonneville is a 744cc twin-cylinder standard motorcycle producing 49hp from Triumph.
Full 1973 Triumph T140 Bonneville Profile →About the 1982 Triumph TSS
The 1982 1982 Triumph TSS is a 744cc twin-cylinder standard motorcycle that became one of Triumph's most memorable motorcycles of the 1980s.
Full 1982 Triumph TSS Profile →