| MODEL | BSA 3.49 HP OHV SUPER SPORTS 349 1928 |
| Year | 1928 |
| Engine Type | Single-cylinder four-stroke overhead-valve |
| Displacement / Capacity | 349 cc |
| Bore X Stroke | 72 mm x 85 mm |
| Compression Ratio | Low-compression piston standard, high-compression optional (ratio not given) |
| Cooling System | — |
| Max Power | — |
| Max Torque | — |
| Ignition | — |
| Induction | Amac carburettor |
| Start System | — |
| TRANSMISSION SPECS | |
| Lubrication | Oil tank on seat tube (5 pints), gravity feed to mechanical pump with sight feed, foot pump to big end |
| Gear Box | BSA three-speed, constant mesh, enclosed kick-starter; close or wide ratio optional |
| Clutch | — |
| Final Drive | — |
| CHASSIS SPECS | |
| Frame | Weldless steel tube with forged lugs, steering damper, strengthened for sidecar |
| Front Suspension | — |
| Rear Suspension | — |
| Front Brakes | — |
| 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 Imperial gal (oil 5 pints) |
| Fuel Consumption | — |
| Top Speed | — |
The Super Sports took the standard 349 overhead-valve single and tuned it for competition use, with a separate seat-tube oil tank and a steering damper. Close-ratio gearing and a high-compression piston were available as options for club racing and trials.
