| MODEL | BSA DBD34 GOLD STAR 500 1956 - 1963 |
| Year | 1956 - 1963 |
| Engine Type | Four stroke, single cylinder, OHV |
| Displacement / Capacity | 499 cc / 30.5 cu in |
| Bore X Stroke | 85 x 88 mm |
| Compression Ratio | 9.0:1 |
| Cooling System | Air cooled |
| Max Power | 31 kW / 42 hp @ 7000 rpm |
| Max Torque | — |
| Ignition | 6V magneto |
| Induction | Amal GP carburettor |
| Start System | Kick start |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 4-Speed |
| Clutch | Wet, multi-plate |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Tubular steel, twin downtube |
| Front Suspension | Telescopic forks |
| Rear Suspension | Swinging arm, twin shock |
| Front Brakes | 7.5 in single-leading-shoe drum |
| Rear Brakes | 7.0 in single-leading-shoe drum |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 787 mm / 31 in |
| Wheelbase | 1422 mm / 56 in |
| Ground Clearance | — |
| Dry Weight | 172 kg / 380 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 3.0 x 19 in |
| Rear Tyre | 3.5 x 19 in |
| FUEL SYSTEM | |
| Fuel Capacity | 18 Litres / 4.8 US gal |
| Fuel Consumption | 5.7 L/100 km / 41.6 US mpg |
| Top Speed | 177 km/h / 110 mph |
Photo: Uploader's father (see file page), CC BY-SA 1.0, via Wikimedia Commons
Photo: Tony Hisgett, Birmingham, UK, CC BY 2.0, via Wikimedia Commons
The DBD34 was the final and best-known 500 cc Gold Star, a swinging-arm single with an alloy engine tuned for speed that was prized by clubmen racers and cafe riders. Many were sold in Clubmans trim. It remained in production until 1963.
