| MODEL | BSA 2.25 HP 247 1914 |
| Year | 1914 |
| Engine Type | Single-cylinder four-stroke, valves side by side |
| Displacement / Capacity | 247 cc |
| Bore X Stroke | 68 mm x 68 mm |
| Compression Ratio | — |
| Cooling System | — |
| Max Power | 2.25 hp (rating) |
| Max Torque | — |
| Ignition | — |
| Induction | — |
| Start System | — |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | Three-speed countershaft, no clutch or kick-starter; 5.7, 8.5, 15.9 to 1 |
| Clutch | — |
| Final Drive | Chain to gearbox, 7/8 in belt final drive |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | Modified BSA fork with round-section blades |
| Rear Suspension | — |
| Front Brakes | — |
| Rear Brakes | Heel-operated internal brake on belt rim |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | — |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 26 in wheels |
| Rear Tyre | 26 in wheels |
| FUEL SYSTEM | |
| Fuel Capacity | — |
| Fuel Consumption | — |
| Top Speed | — |
The 2.25 hp of 1914 was BSA's new small four-stroke, priced at forty guineas. It combined a three-speed countershaft box with belt final drive.
