VS
The 1974 Honda CB550 Four and 1966 Norton Atlas 750 both compete in the standard segment, offering riders distinct interpretations of the formula.
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 1966 Norton Atlas 750, hailing from United Kingdom, by contrast offered 745cc of OHV twin power, delivering 55hp at 6800rpm. Tipping the scales at 186.0kg (410 lbs) with a top speed of 190km/h (118 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.
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 1966 Norton Atlas 750, hailing from United Kingdom, by contrast offered 745cc of OHV twin power, delivering 55hp at 6800rpm. Tipping the scales at 186.0kg (410 lbs) with a top speed of 190km/h (118 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 | 1966 Norton Atlas 750 | |
|---|---|---|
| Displacement | 544 cc | 745 cc |
| Power | 50 hp | 55 hp |
| Torque | 43.0 Nm | 56.0 Nm |
| Cylinders | 4 | 2 |
| Top Speed | 180 km/h | 190 km/h |
| Quarter Mile | — | — |
| Dry Weight | 195.0 kg | 186.0 kg |
| Wet Weight | 211.0 kg | 200.0 kg |
| Seat Height | 800 mm | 790 mm |
| Wheelbase | 1410 mm | 1420 mm |
| Fuel Capacity | 14.0 L | 14.0 L |
| Gears | 5 -speed | 4 -speed |
The Verdict
For pure standard performance, the 1966 Norton Atlas 750 has the edge thanks to more power (55hp vs 50hp) and a higher top speed and lower weight. The 1974 Honda CB550 Four, however, excels when all-round versatility and everyday riding is the priority. Parts availability is good for the 1974 Honda CB550 Four and moderate for the 1966 Norton Atlas 750 — 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 1966 Norton Atlas 750
The 1966 1966 Norton Atlas 750 is a 745cc twin-cylinder standard motorcycle that became one of Norton's most memorable motorcycles of the 1960s.
Full 1966 Norton Atlas 750 Profile →