Classic and Classy Motorcycles Ltd

Historical Context

The 1968 BSA 500cc Royal Star represents an era when British motorcycles dominated the road. Produced by Birmingham Small Arms Company (BSA), one of the most renowned motorcycle manufacturers of the mid-20th century, the Royal Star was designed to offer reliability and smooth performance for everyday riders. Launched as part of BSA’s A50 series, the Royal Star was an evolution of earlier models, featuring a unit-construction engine that improved durability and oil retention. At a time when British motorcycles faced growing competition from Japanese manufacturers, the Royal Star maintained BSA’s reputation for classic styling and solid engineering.

Technical Specifications and Features

• Year: 1968
• Make: BSA
• Model: Royal Star (A50)
• Engine Displacement: 499cc
• Engine Type: Air-cooled, OHV parallel twin
• Compression Ratio: 9.0:1
• Power Output: Approximately 33 horsepower
• Transmission: 4-speed manual
• Brakes: Drum front and rear
• Fuel System: Amal Monobloc carburetor
• Fuel Capacity: 3.5 gallons
• Wheelbase: 54 inches
• Dry Weight: Approximately 380 pounds
• Key Features: Unit-construction engine, twin exhausts, classic teardrop fuel tank, and traditional British styling.

Project Potential

As a barn find, this 1968 BSA Royal Star presents an exciting opportunity for restoration. Bringing it back to original factory condition would highlight its polished aluminum engine cases, chrome fenders, and classic British lines. The Royal Star’s relatively simple engineering makes it an accessible restoration project for enthusiasts, while its robust parallel-twin engine ensures a rewarding riding experience once completed. With strong aftermarket support for classic British motorcycles, sourcing parts and expertise for this project is straightforward.

Riding Experience

Once restored, the 1968 Royal Star delivers a smooth and enjoyable ride. The 500cc parallel twin provides enough torque for relaxed cruising, while the 4-speed transmission ensures a comfortable power band. The bike’s drum brakes, though modest by modern standards, are sufficient for the era. The upright seating position and well-balanced chassis offer stability, making it well-suited for casual rides and classic motorcycle events. With its distinctive British exhaust note and vintage appeal, the Royal Star provides a nostalgic riding experience.

Legacy and Collectibility

The BSA Royal Star is a classic British motorcycle with enduring appeal. Though overshadowed by larger displacement BSA twins such as the A65, the Royal Star remains a sought-after model for collectors and enthusiasts who appreciate its elegant design and mechanical simplicity. As a barn-find project, restoring this bike preserves a piece of motorcycling history, ensuring its legacy continues. Whether for display or riding, a fully restored Royal Star is a standout example of British engineering at its finest.