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BSA · 1963–1970

1966 BSA A 50 Royal Star

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1966 BSA A 50 Royal Star
Auction record
Average sale
$4,600
Sales
2
Low
$4,000
High
$5,200

Specifications

Category
Naked bike
Displacement
500.0 ccm (30.51 cubic inches)
Power
33.0 HP (24.1 kW) @ 5800 RPM

The 1966 BSA A 50 Royal Star

1966 BSA A 50 Royal Star sits in BSA's mid-range unit-construction twin lineup, a step below the bigger A65 models but built on the same modern engine architecture. This is a middleweight parallel twin meant for everyday riding rather than outright performance, with enough grunt to keep pace with traffic and hold its own on back roads without demanding constant attention. It rewards a relaxed riding style, the kind of bike you take out for a Sunday run or a commute rather than a track day, and ownership means accepting the quirks of a mid-1960s British twin: some vibration, some oil weeping, and a mechanical character that rewards owners willing to do their own wrenching. The 1966 model carried over without significant mechanical changes from the prior year, so buyers comparing it to a 1965 example should focus on mileage, service history, and condition rather than spec differences. This appeals to riders stepping into classic British motorcycling for the first time, often coming from modern bikes and looking for something simpler and more involving. Collector interest in the 1966 BSA A 50 Royal Star remains moderate, making it a reasonable entry point rather than a speculative investment.

Auction history

DateListingPriceMileageSource
Mar 18, 20261966 BSA A50 Royal Star$4,000Bring a Trailer
Jun 11, 20241966 BSA Royal Star$5,200Bring a Trailer

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