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 1971 BSA B50MX, hailing from United Kingdom, by contrast offered 499cc of OHV single power, delivering 34hp at 6000rpm. Tipping the scales at 149.0kg (328 lbs) with a top speed of 140km/h (87 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 | 1971 BSA B50MX | |
|---|---|---|
| Displacement | 99 cc | 499 cc |
| Power | 10 hp | 34 hp |
| Torque | 7.5 Nm | 38.0 Nm |
| Cylinders | 1 | 1 |
| Top Speed | 105 km/h | 140 km/h |
| Quarter Mile | — | — |
| Dry Weight | 87.0 kg | 149.0 kg |
| Wet Weight | 96.0 kg | 161.0 kg |
| Seat Height | 750 mm | 830 mm |
| Wheelbase | 1195 mm | 1380 mm |
| Fuel Capacity | 8.5 L | 10.0 L |
| Gears | 5 -speed | 4 -speed |
The Verdict
These two machines serve fundamentally different purposes. The 1970 Honda CB100 is built for all-round versatility and everyday riding, while the 1971 BSA B50MX targets off-road capability and adventure riding. On paper, the 1971 BSA B50MX's 34hp trumps the 1970 Honda CB100's 10hp, but raw numbers don't tell the whole story in such different segments. Choose the 1970 Honda CB100 if you value all-round versatility and everyday riding; pick the 1971 BSA B50MX for off-road capability and adventure riding.
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 1971 BSA B50MX
Introduced in 1971, the 1971 BSA B50MX features a 499cc OHV single engine producing 34hp, establishing itself as a notable dual-sport.
Full 1971 BSA B50MX Profile →