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The 1959 BSA A10 Golden Flash and 1966 BSA Lightning A65L represent two chapters in BSA's storied history.
The 1959 BSA A10 Golden Flash from United Kingdom was powered by a 646cc OHV twin producing 34hp at 5750rpm. Weighing 182.0kg (401 lbs) and with a seat height of 790mm, it was aimed at standard riders.
The 1966 BSA Lightning A65L by contrast offered 654cc of OHV twin power, delivering 52hp at 7000rpm. Tipping the scales at 178.0kg (392 lbs) with a top speed of 180km/h (112 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 1959 BSA A10 Golden Flash from United Kingdom was powered by a 646cc OHV twin producing 34hp at 5750rpm. Weighing 182.0kg (401 lbs) and with a seat height of 790mm, it was aimed at standard riders.
The 1966 BSA Lightning A65L by contrast offered 654cc of OHV twin power, delivering 52hp at 7000rpm. Tipping the scales at 178.0kg (392 lbs) with a top speed of 180km/h (112 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
| 1959 BSA A10 Golden Flash | 1966 BSA Lightning A65L | |
|---|---|---|
| Displacement | 646 cc | 654 cc |
| Power | 34 hp | 52 hp |
| Torque | 47.0 Nm | 52.0 Nm |
| Cylinders | 2 | 2 |
| Top Speed | 155 km/h | 180 km/h |
| Quarter Mile | — | — |
| Dry Weight | 182.0 kg | 178.0 kg |
| Wet Weight | 195.0 kg | 191.0 kg |
| Seat Height | 790 mm | 790 mm |
| Wheelbase | 1400 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 1959 BSA A10 Golden Flash laid the groundwork with 34hp, while the later 1966 BSA Lightning A65L pushed output to 52hp. Both share equal collector appeal at 7/10. Either way, both are worthy additions to any BSA collection.
About the 1959 BSA A10 Golden Flash
BSA released the 1959 BSA A10 Golden Flash in 1959 with a 646cc OHV twin powerplant making 34hp — a definitive standard motorcycle.
Full 1959 BSA A10 Golden Flash Profile →About the 1966 BSA Lightning A65L
A standard motorcycle from 1966, the 1966 BSA Lightning A65L delivers 52hp from its 654cc OHV twin engine.
Full 1966 BSA Lightning A65L Profile →