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The 1970 Honda CB100 and 1972 Yamaha DS7 250 are both iconic 1970s standards that defined their respective markets.
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 1972 Yamaha DS7 250 by contrast offered 247cc of 2-stroke twin power, delivering 30hp at 7500rpm. Tipping the scales at 135.0kg (298 lbs) with a top speed of 145km/h (90 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 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 1972 Yamaha DS7 250 by contrast offered 247cc of 2-stroke twin power, delivering 30hp at 7500rpm. Tipping the scales at 135.0kg (298 lbs) with a top speed of 145km/h (90 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 | 1972 Yamaha DS7 250 | |
|---|---|---|
| Displacement | 99 cc | 247 cc |
| Power | 10 hp | 30 hp |
| Torque | 7.5 Nm | 24.0 Nm |
| Cylinders | 1 | 2 |
| Top Speed | 105 km/h | 145 km/h |
| Quarter Mile | — | — |
| Dry Weight | 87.0 kg | 135.0 kg |
| Wet Weight | 96.0 kg | 147.0 kg |
| Seat Height | 750 mm | 780 mm |
| Wheelbase | 1195 mm | 1310 mm |
| Fuel Capacity | 8.5 L | 12.0 L |
| Gears | 5 -speed | 5 -speed |
The Verdict
For pure standard performance, the 1972 Yamaha DS7 250 has the edge thanks to more power (30hp vs 10hp) and a higher top speed. The 1970 Honda CB100, however, excels when all-round versatility and everyday riding is the priority.
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 1972 Yamaha DS7 250
A standard motorcycle from 1972, the 1972 Yamaha DS7 250 delivers 30hp from its 247cc 2-stroke twin engine.
Full 1972 Yamaha DS7 250 Profile →