| MODEL | BSA A65 ROCKET 1964 - 1966 |
| Year | 1964 - 1966 |
| Engine Type | Four stroke, parallel twin cylinder, OHV |
| Displacement / Capacity | 654 cc / 39.9 cu in |
| Bore X Stroke | 75 x 74 mm |
| Compression Ratio | 9.0:1 |
| Cooling System | Air cooled |
| Max Power | 35.8 kW / 49 hp @ 7000 rpm |
| Max Torque | — |
| Ignition | Twin coil |
| Induction | Amal Monobloc 389/67 |
| Start System | Kick start |
| TRANSMISSION SPECS | |
| Lubrication | Dry sump |
| Gear Box | 4 speed |
| Clutch | Multi-plate with built-in cush drive |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Steel tubing, cradle |
| Front Suspension | Telescopic forks with coil spring, hydraulically damped |
| Rear Suspension | Coil spring, hydraulically damped |
| Front Brakes | Drum, 8 in (20.3 cm) |
| Rear Brakes | Drum, 7 in (17.8 cm) |
| DIMENSION SPECS | |
| Overall Length | 2060 mm / 81.0 in |
| Overall Width | 711 mm / 28 in |
| Overall Height | 1010 mm / 39.8 in |
| Seat Height | 813 mm / 32 in |
| Wheelbase | 1370 mm / 54.5 in |
| Ground Clearance | 178 mm / 7.0 in |
| Dry Weight | — |
| Wet Weight | 177 kg / 397 lbs |
| WHEEL SPECS | |
| Front Tyre | 3.25 x 18 in, ribbed |
| Rear Tyre | 3.50 x 18 in, K70 |
| FUEL SYSTEM | |
| Fuel Capacity | 18 Litres / 4.8 US gal (Europe); 9 Litres / 2 US gal (US) |
| Fuel Consumption | 4.7 L/100 km / 50 mpg |
| Top Speed | 174 km/h / 108 mph |
The A65 Rocket belonged to the 650 unit-construction twin line that replaced the older A10 range. It combined the 654 cc engine with a cradle frame, drum brakes and a four-speed box for relaxed all-round road use.
