The 1988 Honda NX650 Dominator from Japan was powered by a 644cc SOHC single RFVC producing 44hp at 6000rpm. Weighing 163.0kg (359 lbs) and with a seat height of 860mm, it was aimed at enduro riders.
The 1983 Triumph T140 TSX, hailing from United Kingdom, by contrast offered 744cc of OHV twin power, delivering 50hp at 6500rpm. Tipping the scales at 188.0kg (414 lbs) with a top speed of 170km/h (106 mph), it offered a distinct riding experience. 1980s motorcycles are the rising stars of the collector market. Early sportbikes and final-generation air-cooled models are gaining strong interest.
Specifications Comparison
| 1988 Honda NX650 Dominator | 1983 Triumph T140 TSX | |
|---|---|---|
| Displacement | 644 cc | 744 cc |
| Power | 44 hp | 50 hp |
| Torque | 51.0 Nm | 54.0 Nm |
| Cylinders | 1 | 2 |
| Top Speed | 155 km/h | 170 km/h |
| Quarter Mile | — | — |
| Dry Weight | 163.0 kg | 188.0 kg |
| Wet Weight | 181.0 kg | 202.0 kg |
| Seat Height | 860 mm | 790 mm |
| Wheelbase | 1490 mm | 1410 mm |
| Fuel Capacity | 12.0 L | 14.0 L |
| Gears | 5 -speed | 5 -speed |
The Verdict
These two machines serve fundamentally different purposes. The 1988 Honda NX650 Dominator is built for off-road capability and adventure riding, while the 1983 Triumph T140 TSX targets all-round versatility and everyday riding. On paper, the 1983 Triumph T140 TSX's 50hp trumps the 1988 Honda NX650 Dominator's 44hp, but raw numbers don't tell the whole story in such different segments. Choose the 1988 Honda NX650 Dominator if you value off-road capability and adventure riding; pick the 1983 Triumph T140 TSX for all-round versatility and everyday riding. Parts availability is good for the 1988 Honda NX650 Dominator and moderate for the 1983 Triumph T140 TSX — an important factor for any restoration project.
About the 1988 Honda NX650 Dominator
The 1988 1988 Honda NX650 Dominator is a 644cc single-cylinder dual-sport that became one of Honda's most memorable motorcycles of the 1980s.
Full 1988 Honda NX650 Dominator Profile →About the 1983 Triumph T140 TSX
Introduced in 1983, the 1983 Triumph T140 TSX features a 744cc OHV twin engine producing 50hp, establishing itself as a notable standard motorcycle.
Full 1983 Triumph T140 TSX Profile →