The 1966 Honda CB450 Black Bomber from Japan was powered by a 444cc DOHC twin producing 43hp at 8500rpm. Weighing 187.0kg (412 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. 1960s motorcycles capture the era of cultural revolution and racing heritage. Iconic models from this decade are among the most desirable classics.
Specifications Comparison
| 1966 Honda CB450 Black Bomber | 1973 Yamaha RD250 | |
|---|---|---|
| Displacement | 444 cc | 247 cc |
| Power | 43 hp | 30 hp |
| Torque | 36.0 Nm | 24.0 Nm |
| Cylinders | 2 | 2 |
| Top Speed | 170 km/h | 145 km/h |
| Quarter Mile | — | — |
| Dry Weight | 187.0 kg | 143.0 kg |
| Wet Weight | 202.0 kg | 155.0 kg |
| Seat Height | 790 mm | 790 mm |
| Wheelbase | 1390 mm | 1310 mm |
| Fuel Capacity | 15.0 L | 12.0 L |
| Gears | 4 -speed | 6 -speed |
The Verdict
For pure standard performance, the 1966 Honda CB450 Black Bomber has the edge thanks to more power (43hp 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. For collectors, the 1966 Honda CB450 Black Bomber commands more attention with a 7/10 collectibility rating. Parts availability is good for the 1966 Honda CB450 Black Bomber and moderate for the 1973 Yamaha RD250 — an important factor for any restoration project.
About the 1966 Honda CB450 Black Bomber
Born in 1966, the 1966 Honda CB450 Black Bomber is a 444cc twin-cylinder standard motorcycle producing 43hp from Honda.
Full 1966 Honda CB450 Black Bomber 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 →