| TECHNICAL SPECIFICATION |
|---|
| Model ID |
|---|
| Manufacturer (Make) | BSA |
| Model Name | A 65 Lightning |
| Year | 1971 |
| Category(class) | Classic |
| Engine |
|---|
| Engine Capacity (Displacement) | 654 ccm (39.91 cubic inches) |
| Engine Type | Twin |
| Bore x Stroke | Ø75.0 mm x 74.0 mm (Ø2.95 inches x 2.91 inches) |
| Bore/Stroke Ratio | 1.01 |
| Stroke | 4 |
| Valves per Cylinder | 2 |
| Timing System | OHV |
| Cooling System | Air |
| Powertrain |
|---|
| Gearbox | 4 speed |
| Chassis/Suspension/Brakes |
|---|
| Front Brakes | Drum |
| Rear Brakes | Drum |
| Front Tire | 3.25-19 |
| Rear Tire | 4.00-19 |
| Dimensions |
|---|
| Curb Weight | 220 kg (485 lb) |
| Fuel Capacity | 18 litres (4.76 gallons) |
| Performance |
|---|
| Max Power | 49.00 HP (35.8 kW) at 7000 RPM |
| Power/Weight Ratio | 0.22 Hp/Kg |
| Top Speed | 174 km/h (108mph) |
| Acceleration (dart, speedup) time | |
| 0-100 km/h | 6.1 seconds |
| 0-60 mph | 5.8 seconds |
| 1/4 mile | - |
| 60 to 140 km/h, highest gear | - |
