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The 1969 BSA Rocket 3 A75R and 1971 BSA B50MX represent two chapters in BSA's storied history.
The 1969 BSA Rocket 3 A75R from United Kingdom was powered by a 740cc OHV triple producing 58hp at 7250rpm. Weighing 218.0kg (481 lbs) and with a seat height of 800mm, it was aimed at standard riders.
The 1971 BSA B50MX by contrast offered 499cc of OHV single power, delivering 34hp at 6000rpm. Tipping the scales at 149.0kg (328 lbs) with a top speed of 140km/h (87 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.
The 1969 BSA Rocket 3 A75R from United Kingdom was powered by a 740cc OHV triple producing 58hp at 7250rpm. Weighing 218.0kg (481 lbs) and with a seat height of 800mm, it was aimed at standard riders.
The 1971 BSA B50MX by contrast offered 499cc of OHV single power, delivering 34hp at 6000rpm. Tipping the scales at 149.0kg (328 lbs) with a top speed of 140km/h (87 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
| 1969 BSA Rocket 3 A75R | 1971 BSA B50MX | |
|---|---|---|
| Displacement | 740 cc | 499 cc |
| Power | 58 hp | 34 hp |
| Torque | 60.0 Nm | 38.0 Nm |
| Cylinders | 3 | 1 |
| Top Speed | 190 km/h | 140 km/h |
| Quarter Mile | — | — |
| Dry Weight | 218.0 kg | 149.0 kg |
| Wet Weight | 232.0 kg | 161.0 kg |
| Seat Height | 800 mm | 830 mm |
| Wheelbase | 1440 mm | 1380 mm |
| Fuel Capacity | 15.0 L | 10.0 L |
| Gears | 5 -speed | 4 -speed |
The Verdict
Comparing these two BSA machines reveals the brand's evolution. The 1969 BSA Rocket 3 A75R laid the groundwork with 58hp, while the later 1971 BSA B50MX pushed output to 34hp. From a collector's perspective, the 1969 BSA Rocket 3 A75R holds the edge with a 8/10 rating. Either way, both are worthy additions to any BSA collection.
About the 1969 BSA Rocket 3 A75R
Born in 1969, the 1969 BSA Rocket 3 A75R is a 740cc triple-cylinder standard motorcycle producing 58hp from BSA.
Full 1969 BSA Rocket 3 A75R Profile →About the 1971 BSA B50MX
Introduced in 1971, the 1971 BSA B50MX features a 499cc OHV single engine producing 34hp, establishing itself as a notable dual-sport.
Full 1971 BSA B50MX Profile →