VS
The 1972 Honda CB350 Four and 1973 Yamaha RD250 are both iconic 1970s standards that defined their respective markets.
The 1972 Honda CB350 Four from Japan was powered by a 347cc SOHC inline-4 producing 34hp at 9500rpm. Weighing 172.0kg (379 lbs) and with a seat height of 790mm, it was aimed at standard riders.
The 1973 Yamaha RD250 by contrast offered 247cc of 2-stroke twin power, delivering 30hp at 7500rpm. Tipping the scales at 143.0kg (315 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 1972 Honda CB350 Four from Japan was powered by a 347cc SOHC inline-4 producing 34hp at 9500rpm. Weighing 172.0kg (379 lbs) and with a seat height of 790mm, it was aimed at standard riders.
The 1973 Yamaha RD250 by contrast offered 247cc of 2-stroke twin power, delivering 30hp at 7500rpm. Tipping the scales at 143.0kg (315 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
| 1972 Honda CB350 Four | 1973 Yamaha RD250 | |
|---|---|---|
| Displacement | 347 cc | 247 cc |
| Power | 34 hp | 30 hp |
| Torque | 28.0 Nm | 24.0 Nm |
| Cylinders | 4 | 2 |
| Top Speed | 155 km/h | 145 km/h |
| Quarter Mile | — | — |
| Dry Weight | 172.0 kg | 143.0 kg |
| Wet Weight | 185.0 kg | 155.0 kg |
| Seat Height | 790 mm | 790 mm |
| Wheelbase | 1375 mm | 1310 mm |
| Fuel Capacity | 13.0 L | 12.0 L |
| Gears | 5 -speed | 6 -speed |
The Verdict
For pure standard performance, the 1972 Honda CB350 Four has the edge thanks to more power (34hp vs 30hp) and a higher top speed. The 1973 Yamaha RD250, however, excels when all-round versatility and everyday riding is the priority and offers a lighter package. Parts availability is good for the 1972 Honda CB350 Four and moderate for the 1973 Yamaha RD250 — an important factor for any restoration project.
About the 1972 Honda CB350 Four
Honda released the 1972 Honda CB350 Four in 1972 with a 347cc SOHC inline-4 powerplant making 34hp — a definitive standard motorcycle.
Full 1972 Honda CB350 Four Profile →About the 1973 Yamaha RD250
Born in 1973, the 1973 Yamaha RD250 is a 247cc twin-cylinder standard motorcycle producing 30hp from Yamaha.
Full 1973 Yamaha RD250 Profile →