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The 1955 BSA B33 and 1962 BSA Gold Star Clubman represent two chapters in BSA's storied history.
The 1955 BSA B33 from United Kingdom was powered by a 499cc OHV single producing 23hp at 5500rpm. Weighing 170.0kg (375 lbs) and with a seat height of 780mm, it was aimed at standard riders.
The 1962 BSA Gold Star Clubman by contrast offered 499cc of OHV single power, delivering 42hp at 7000rpm. Tipping the scales at 143.0kg (315 lbs) with a top speed of 175km/h (109 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 1955 BSA B33 from United Kingdom was powered by a 499cc OHV single producing 23hp at 5500rpm. Weighing 170.0kg (375 lbs) and with a seat height of 780mm, it was aimed at standard riders.
The 1962 BSA Gold Star Clubman by contrast offered 499cc of OHV single power, delivering 42hp at 7000rpm. Tipping the scales at 143.0kg (315 lbs) with a top speed of 175km/h (109 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
| 1955 BSA B33 | 1962 BSA Gold Star Clubman | |
|---|---|---|
| Displacement | 499 cc | 499 cc |
| Power | 23 hp | 42 hp |
| Torque | 35.0 Nm | 44.0 Nm |
| Cylinders | 1 | 1 |
| Top Speed | 130 km/h | 175 km/h |
| Quarter Mile | — | — |
| Dry Weight | 170.0 kg | 143.0 kg |
| Wet Weight | 183.0 kg | 154.0 kg |
| Seat Height | 780 mm | 790 mm |
| Wheelbase | 1370 mm | 1370 mm |
| Fuel Capacity | 14.0 L | 14.0 L |
| Gears | 4 -speed | 4 -speed |
The Verdict
Comparing these two BSA machines reveals the brand's evolution. The 1955 BSA B33 laid the groundwork with 23hp, while the later 1962 BSA Gold Star Clubman pushed output to 42hp. From a collector's perspective, the 1962 BSA Gold Star Clubman holds the edge with a 10/10 rating. Either way, both are worthy additions to any BSA collection. Parts availability is moderate for the 1955 BSA B33 and difficult for the 1962 BSA Gold Star Clubman — an important factor for any restoration project.
About the 1955 BSA B33
The 1955 1955 BSA B33 is a 499cc single-cylinder standard motorcycle that became one of BSA's most memorable motorcycles of the 1950s.
Full 1955 BSA B33 Profile →About the 1962 BSA Gold Star Clubman
A racing machine from 1962, the 1962 BSA Gold Star Clubman delivers 42hp from its 499cc OHV single engine.
Full 1962 BSA Gold Star Clubman Profile →