VS
The 1955 BSA B33 and 1963 BSA A65 Star 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 1963 BSA A65 Star by contrast offered 654cc of OHV twin power, delivering 38hp at 5800rpm. Tipping the scales at 183.0kg (403 lbs) with a top speed of 160km/h (99 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 1963 BSA A65 Star by contrast offered 654cc of OHV twin power, delivering 38hp at 5800rpm. Tipping the scales at 183.0kg (403 lbs) with a top speed of 160km/h (99 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 | 1963 BSA A65 Star | |
|---|---|---|
| Displacement | 499 cc | 654 cc |
| Power | 23 hp | 38 hp |
| Torque | 35.0 Nm | 46.0 Nm |
| Cylinders | 1 | 2 |
| Top Speed | 130 km/h | 160 km/h |
| Quarter Mile | — | — |
| Dry Weight | 170.0 kg | 183.0 kg |
| Wet Weight | 183.0 kg | 196.0 kg |
| Seat Height | 780 mm | 790 mm |
| Wheelbase | 1370 mm | 1400 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 1963 BSA A65 Star pushed output to 38hp. Both share equal collector appeal at 5/10. Either way, both are worthy additions to any BSA collection.
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 1963 BSA A65 Star
BSA released the 1963 BSA A65 Star in 1963 with a 654cc OHV twin powerplant making 38hp — a definitive standard motorcycle.
Full 1963 BSA A65 Star Profile →