1959 BSA Golden Flash

Specifications
- Category
- Allround
- Displacement
- 646.0 ccm (39.42 cubic inches)
- Power
- 35.0 HP (25.5 kW) @ 4500 RPM
The 1959 BSA Golden Flash
1959 BSA Golden Flash sits comfortably in the middle of BSA's lineup, a parallel-twin built for riders who wanted real touring capability without stepping up to something more exotic. This is a bike that rewards steady-handed, long-distance riding rather than quick sprints — the kind of machine you'd point toward the coast for a weekend and trust to get you there and back. Owning one means learning the rhythms of period British engineering: regular maintenance, a feel for the clutch and gearbox, and an appreciation for torque delivered low in the rev range rather than a rush of top-end power. It's a mechanical experience rather than an electronic one, and that's part of the appeal for people drawn to this era.
The 1959 model carried over without significant mechanical changes from the prior year — buyers comparing it to a 1958 example should focus on mileage, service history, and condition rather than spec differences.
Buyers today tend to be seasoned riders or collectors already familiar with British twins, often moving up from smaller BSA models or downsizing from larger modern bikes. Collector interest in the 1959 BSA Golden Flash remains moderate to high, particularly for well-documented, mechanically sound examples.

