VS
The 1956 BSA Gold Star DBD34 and 1947 Norton International both compete in the racing segment, offering riders distinct interpretations of the formula.
The 1956 BSA Gold Star DBD34 from United Kingdom was powered by a 499cc OHV single producing 42hp at 7000rpm. Weighing 145.0kg (320 lbs) and with a seat height of 790mm, it was aimed at racing riders.
The 1947 Norton International by contrast offered 490cc of OHV single power, delivering 29hp at 6000rpm. Tipping the scales at 155.0kg (342 lbs) with a top speed of 145km/h (90 mph), it offered a distinct riding experience. 1950s bikes represent the golden age of British motorcycling and early Japanese innovation, with well-maintained examples commanding premium prices.
The 1956 BSA Gold Star DBD34 from United Kingdom was powered by a 499cc OHV single producing 42hp at 7000rpm. Weighing 145.0kg (320 lbs) and with a seat height of 790mm, it was aimed at racing riders.
The 1947 Norton International by contrast offered 490cc of OHV single power, delivering 29hp at 6000rpm. Tipping the scales at 155.0kg (342 lbs) with a top speed of 145km/h (90 mph), it offered a distinct riding experience. 1950s bikes represent the golden age of British motorcycling and early Japanese innovation, with well-maintained examples commanding premium prices.
Specifications Comparison
| 1956 BSA Gold Star DBD34 | 1947 Norton International | |
|---|---|---|
| Displacement | 499 cc | 490 cc |
| Power | 42 hp | 29 hp |
| Torque | 44.0 Nm | 35.0 Nm |
| Cylinders | 1 | 1 |
| Top Speed | 175 km/h | 145 km/h |
| Quarter Mile | — | — |
| Dry Weight | 145.0 kg | 155.0 kg |
| Wet Weight | 156.0 kg | 168.0 kg |
| Seat Height | 790 mm | 780 mm |
| Wheelbase | 1370 mm | 1370 mm |
| Fuel Capacity | 14.0 L | 14.0 L |
| Gears | 4 -speed | 4 -speed |
The Verdict
For pure racing performance, the 1956 BSA Gold Star DBD34 has the edge thanks to more power (42hp vs 29hp) and a higher top speed and lower weight. The 1947 Norton International, however, excels when outright circuit racing performance is the priority. For collectors, the 1956 BSA Gold Star DBD34 commands more attention with a 10/10 collectibility rating.
About the 1956 BSA Gold Star DBD34
Introduced in 1956, the 1956 BSA Gold Star DBD34 features a 499cc OHV single engine producing 42hp, establishing itself as a notable racing machine.
Full 1956 BSA Gold Star DBD34 Profile →About the 1947 Norton International
The 1947 1947 Norton International packs a 490cc OHV single engine with 29hp into a racing machine package from Norton.
Full 1947 Norton International Profile →