The 1974 Honda CB550 Four from Japan was powered by a 544cc SOHC inline-4 producing 50hp at 8500rpm. Weighing 195.0kg (430 lbs) and with a seat height of 800mm, it was aimed at standard riders.
The 1977 Triumph T140V Silver Jubilee, hailing from United Kingdom, by contrast offered 744cc of OHV twin power, delivering 52hp at 6200rpm. Tipping the scales at 185.0kg (408 lbs) with a top speed of 175km/h (109 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
| 1974 Honda CB550 Four | 1977 Triumph T140V Silver Jubilee | |
|---|---|---|
| Displacement | 544 cc | 744 cc |
| Power | 50 hp | 52 hp |
| Torque | 43.0 Nm | 56.0 Nm |
| Cylinders | 4 | 2 |
| Top Speed | 180 km/h | 175 km/h |
| Quarter Mile | — | — |
| Dry Weight | 195.0 kg | 185.0 kg |
| Wet Weight | 211.0 kg | 198.0 kg |
| Seat Height | 800 mm | 790 mm |
| Wheelbase | 1410 mm | 1410 mm |
| Fuel Capacity | 14.0 L | 14.0 L |
| Gears | 5 -speed | 5 -speed |
The Verdict
For pure standard performance, the 1977 Triumph T140V Silver Jubilee has the edge thanks to more power (52hp vs 50hp) and lower weight. The 1974 Honda CB550 Four, however, excels when all-round versatility and everyday riding is the priority. For collectors, the 1977 Triumph T140V Silver Jubilee commands more attention with a 8/10 collectibility rating. Parts availability is good for the 1974 Honda CB550 Four and moderate for the 1977 Triumph T140V Silver Jubilee — an important factor for any restoration project.
About the 1974 Honda CB550 Four
Honda released the 1974 Honda CB550 Four in 1974 with a 544cc SOHC inline-4 powerplant making 50hp — a definitive standard motorcycle.
Full 1974 Honda CB550 Four Profile →About the 1977 Triumph T140V Silver Jubilee
Born in 1977, the 1977 Triumph T140V Silver Jubilee is a 744cc twin-cylinder standard motorcycle producing 52hp from Triumph.
Full 1977 Triumph T140V Silver Jubilee Profile →