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BSA Golden Flash
1955Allround

BSA Golden Flash

Key specifications

Engine
646 cc
Power
35 HP
Weight
190 kg
Fuel type
petrol
Fuel capacity
5.0 L
Front brakes
Expanding brake (drum brake)
Rear brakes
Expanding brake (drum brake)

Overview

Introducing the iconic 1955 BSA Golden Flash, a motorcycle that perfectly exemplifies the golden age of British motorcycle engineering. Renowned for its versatility, the Golden Flash is categorized as an allrounder, making it a delightful choice for both seasoned riders and newcomers alike. With its classic styling and robust build quality, this motorcycle offers an inviting blend of performance and practicality, allowing riders to confidently tackle a variety of terrains, whether it be the open road or winding country lanes. As one of the standout models of the mid-1950s, the Golden Flash continues to captivate the hearts of vintage motorcycle enthusiasts today. At the heart of the Golden Flash lies a powerful 646 cc twin-cylinder, four-stroke engine that produces a spirited 35 horsepower at 4,500 RPM. The engine's design, with a bore and stroke of 70.0 x 84.0 mm, strikes an impressive balance between torque and smoothness, delivering an exhilarating ride. When combined with its chain final drive, the Golden Flash provides responsive acceleration and a satisfying, engaging experience on the road. Riders will appreciate the air-cooled engine's simplicity, which contributes to the bike's reliability and ease of maintenance. The unique combination of hydraulic telescopic forks at the front and twin shocks at the rear ensures that the motorcycle handles beautifully, offering stability and comfort even on less than perfect surfaces. The 1955 BSA Golden Flash is packed with features that enhance its riding experience. Its single cradle frame is not only lightweight but also provides a solid foundation for the bike's overall structure, ensuring durability and handling precision. The expanding drum brakes, both front and rear, offer reliable stopping power, instilling confidence in riders as they navigate various conditions. With a fuel capacity of 19 liters (5.02 gallons), the Golden Flash is designed for those who love to ride long distances, making it an ideal companion for road trips and weekend getaways. The classic lines and attention to detail, from the gleaming chrome finishes to the vintage aesthetic, make the Golden Flash a true head-turner. **

Pros

  • Classic styling and build quality that appeals to vintage motorcycle enthusiasts.
  • Strong engine performance with a perfect blend of power and torque for versatile riding.
  • Reliable and easy to maintain, thanks to its air-cooled design and simple components.

Cons

  • The drum brakes, while effective, may not provide the same stopping power as modern disc brakes.
  • Weighing in at 190 kg (418.9 pounds), it may feel heavy for some riders, especially in tight maneuvers.
  • Performance may not match that of more modern motorcycles, particularly in terms of acceleration and handling at higher speeds.

Technical details

Source specification data

Make
BSA
Model
Golden Flash
Category
Allround
Power
35.00 HP (25.5 kW)) @ 4500 RPM
Fuel System
Carburettor
Bore X Stroke
70.0 x 84.0 mm (2.8 x 3.3 inches)
Displacement
646.00 ccm (39.42 cubic inches)
Cooling System
Air
Engine Details
Twin, four-stroke
Transmission Type Final Drive
Chain
Dry Weight
190.0 kg (418.9 pounds)
Fuel Capacity
19.00 litres (5.02 gallons)
Overall Length
2,130 mm (83.9 inches)
Power Weight Ratio
0.1842 HP/kg
Seat
Dual seat
Rear Tyre
3.25-19
Frame Type
Single cradle
Front Tyre
3.25-19
Rear Brakes
Expanding brake (drum brake)
Front Brakes
Expanding brake (drum brake)
Rear Suspension
Twin shock
Front Suspension
Hydralic telescopic forks