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 XS650 by contrast offered 654cc of OHV twin power, delivering 53hp at 7000rpm. Tipping the scales at 195.0kg (430 lbs) with a top speed of 170km/h (106 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 XS650 | |
|---|---|---|
| Displacement | 99 cc | 654 cc |
| Power | 10 hp | 53 hp |
| Torque | 7.5 Nm | 53.0 Nm |
| Cylinders | 1 | 2 |
| Top Speed | 105 km/h | 170 km/h |
| Quarter Mile | — | — |
| Dry Weight | 87.0 kg | 195.0 kg |
| Wet Weight | 96.0 kg | 212.0 kg |
| Seat Height | 750 mm | 810 mm |
| Wheelbase | 1195 mm | 1430 mm |
| Fuel Capacity | 8.5 L | 14.0 L |
| Gears | 5 -speed | 5 -speed |
The Verdict
For pure standard performance, the 1972 Yamaha XS650 has the edge thanks to more power (53hp vs 10hp) and a higher top speed. The 1970 Honda CB100, however, excels when all-round versatility and everyday riding is the priority. For collectors, the 1972 Yamaha XS650 commands more attention with a 6/10 collectibility rating. Parts availability is moderate for the 1970 Honda CB100 and good for the 1972 Yamaha XS650 — 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 1972 Yamaha XS650
The 1972 1972 Yamaha XS650 is a 654cc twin-cylinder standard motorcycle that became one of Yamaha's most memorable motorcycles of the 1970s.
Full 1972 Yamaha XS650 Profile →