| MODEL | BSA A10 SPITFIRE SCRAMBLER 1957 - 1963 |
| Year | 1957 - 1963 |
| Engine Type | Parallel twin, four-stroke |
| Displacement / Capacity | 646 cc |
| Bore X Stroke | 70 mm x 84 mm |
| Compression Ratio | 9:1 |
| Cooling System | — |
| Max Power | — |
| Max Torque | — |
| Ignition | Lucas competition magneto |
| Induction | Amal Monobloc, 1 1/16 in (1956-59); 1 5/32 in (1960 on) |
| Start System | — |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 4-speed with wide scrambles ratios, chain drive |
| Clutch | — |
| Final Drive | — |
| CHASSIS SPECS | |
| Frame | Gold Star Catalina frame early, A10 frame from mid-1957 |
| Front Suspension | — |
| Rear Suspension | — |
| Front Brakes | Gold Star 190 mm drum on some machines |
| Rear Brakes | — |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | — |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | — |
| Rear Tyre | — |
| FUEL SYSTEM | |
| Fuel Capacity | 2 US gal |
| Fuel Consumption | — |
| Top Speed | — |
A stripped scrambles racer built on the A10 twin with a race camshaft, magneto, no lights or silencers and wide gear ratios. It was aimed at American off-road and desert racing rather than the road.
