VS
The 1972 Honda CB350 Four and 1976 Yamaha RD400 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 1976 Yamaha RD400 by contrast offered 398cc of 2-stroke twin power, delivering 40hp at 7000rpm. Tipping the scales at 153.0kg (337 lbs) with a top speed of 168km/h (104 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 1976 Yamaha RD400 by contrast offered 398cc of 2-stroke twin power, delivering 40hp at 7000rpm. Tipping the scales at 153.0kg (337 lbs) with a top speed of 168km/h (104 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 | 1976 Yamaha RD400 | |
|---|---|---|
| Displacement | 347 cc | 398 cc |
| Power | 34 hp | 40 hp |
| Torque | 28.0 Nm | 35.0 Nm |
| Cylinders | 4 | 2 |
| Top Speed | 155 km/h | 168 km/h |
| Quarter Mile | — | — |
| Dry Weight | 172.0 kg | 153.0 kg |
| Wet Weight | 185.0 kg | 166.0 kg |
| Seat Height | 790 mm | 790 mm |
| Wheelbase | 1375 mm | 1360 mm |
| Fuel Capacity | 13.0 L | 14.0 L |
| Gears | 5 -speed | 6 -speed |
The Verdict
For pure standard performance, the 1976 Yamaha RD400 has the edge thanks to more power (40hp vs 34hp) and a higher top speed and lower weight. The 1972 Honda CB350 Four, however, excels when all-round versatility and everyday riding is the priority. Parts availability is good for the 1972 Honda CB350 Four and moderate for the 1976 Yamaha RD400 — 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 1976 Yamaha RD400
Born in 1976, the 1976 Yamaha RD400 is a 398cc twin-cylinder standard motorcycle producing 40hp from Yamaha.
Full 1976 Yamaha RD400 Profile →