| MODEL | BSA A65 LIGHTNING CLUBMAN 1964 - 1965 |
| Year | 1964 - 1965 |
| Engine Type | Parallel twin, OHV, four-stroke, air-cooled |
| Displacement / Capacity | 654 cc |
| Bore X Stroke | 75 mm x 74 mm |
| Compression Ratio | 9.0:1 |
| Cooling System | Air |
| Max Power | 51 hp @ 6750 rpm |
| Max Torque | — |
| Ignition | Twin coil |
| Induction | Two Amal Monobloc 389 carburettors |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | Dry sump |
| Gear Box | 4-speed, close ratio |
| Clutch | Multi-plate with cush drive |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Steel tube double cradle |
| Front Suspension | Telescopic forks, coil springs, hydraulically damped |
| Rear Suspension | Swinging arm with hydraulically damped coil springs |
| Front Brakes | Drum, 8 in |
| Rear Brakes | Drum, 7 in |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 820 mm / 32.3 in |
| Wheelbase | 1400 mm / 56 in |
| Ground Clearance | — |
| Dry Weight | 179 kg / 395 lb |
| Wet Weight | 180 kg |
| WHEEL SPECS | |
| Front Tyre | 3.25 x 19 |
| Rear Tyre | 3.50 x 18 |
| FUEL SYSTEM | |
| Fuel Capacity | 18.2 Litres |
| Fuel Consumption | — |
| Top Speed | 120 mph / 193 km/h |
A limited run of about 200 production-racing Lightnings, built in 1964-65 to take on the Triumph Bonneville in club racing. It had close-ratio gears, drop bars, rear-set footrests, a siamesed two-into-one exhaust and a single seat.
