| MODEL | BSA 350 PLUNGER 1951 |
| Year | 1951 |
| Engine Type | Single cylinder, four-stroke, OHV |
| Displacement / Capacity | 350 cc / 21.36 cu in |
| Bore X Stroke | 71.0 mm x 88.0 mm |
| Compression Ratio | 6.5:1 |
| Cooling System | Air |
| Max Power | 16.8 kW / 23 hp |
| Max Torque | — |
| Ignition | Lucas magneto |
| Induction | Amal type 76 |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | Dry sump |
| Gear Box | 4-speed |
| Clutch | Multi-plate |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | Telescopic fork |
| Rear Suspension | Plunger |
| Front Brakes | 203 mm / 8.0 in drum |
| Rear Brakes | 178 mm / 7.0 in drum |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | 1390 mm / 54.7 in |
| Ground Clearance | — |
| Dry Weight | 154.2 kg / 340 lb |
| Wet Weight | 175.0 kg / 385.8 lb |
| WHEEL SPECS | |
| Front Tyre | 3.25-19 |
| Rear Tyre | 3.25-19 |
| FUEL SYSTEM | |
| Fuel Capacity | 19.0 Litres / 5.02 US gal |
| Fuel Consumption | — |
| Top Speed | 128.8 km/h / 80 mph |
A post-war 350 OHV single with plunger rear suspension, telescopic front forks and a Lucas magneto. A solid commuter and sports-touring bike of its era.
