The 1970 Honda CB100 from Japan was powered by a 99cc SOHC single producing 10hp at 9500rpm. Weighing 87.0kg (192 lbs) and with a seat height of 750mm, it was aimed at standard riders.
The 1974 Honda CB550 Four by contrast offered 544cc of SOHC inline-4 power, delivering 50hp at 8500rpm. Tipping the scales at 195.0kg (430 lbs) with a top speed of 180km/h (112 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
| 1970 Honda CB100 | 1974 Honda CB550 Four | |
|---|---|---|
| Displacement | 99 cc | 544 cc |
| Power | 10 hp | 50 hp |
| Torque | 7.5 Nm | 43.0 Nm |
| Cylinders | 1 | 4 |
| Top Speed | 105 km/h | 180 km/h |
| Quarter Mile | — | — |
| Dry Weight | 87.0 kg | 195.0 kg |
| Wet Weight | 96.0 kg | 211.0 kg |
| Seat Height | 750 mm | 800 mm |
| Wheelbase | 1195 mm | 1410 mm |
| Fuel Capacity | 8.5 L | 14.0 L |
| Gears | 5 -speed | 5 -speed |
The Verdict
Comparing these two Honda machines reveals the brand's evolution. The 1970 Honda CB100 laid the groundwork with 10hp, while the later 1974 Honda CB550 Four pushed output to 50hp. From a collector's perspective, the 1974 Honda CB550 Four holds the edge with a 6/10 rating. Either way, both are worthy additions to any Honda collection. Parts availability is moderate for the 1970 Honda CB100 and good for the 1974 Honda CB550 Four — an important factor for any restoration project.
About the 1970 Honda CB100
Introduced in 1970, the 1970 Honda CB100 features a 99cc SOHC single engine producing 10hp, establishing itself as a notable standard motorcycle.
Full 1970 Honda CB100 Profile →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 →