General İnformation |
| Model |
AJS Model 31 650 Swift |
| Year |
1961 |
| Category |
Allround |
Engine and transmission |
| Displacement |
646.00 ccm (39.42 cubic inches) |
| Power |
31.40 HP (22.9 kW)) @ 6000 RPM |
| Compression |
7.5:1 |
| Bore x stroke |
72.0 x 79.3 mm (2.8 x 3.1 inches) |
| Fuel system |
Carburettor |
| Fuel control |
Overhead Valves (OHV) |
| Ignition |
Bobine |
| Cooling system |
Air |
| Gearbox |
4-speed |
| Transmission type, final drive |
Chain |
Chassis, suspension, brakes and wheels |
| Frame type |
Doble cradle |
| Front suspension |
Hydraulic telescopic |
| Rear suspension |
Twin shock Girling |
| Frame |
3.25-19 |
| Front tyre |
3.25-19 |
| Rear tyre |
3.25-19 |
| Front brakes |
Expanding brake (drum brake) |
| Rear brakes |
Expanding brake (drum brake) |
| Seat |
Dual |
Physical measures and capacities |
| Dry weight |
176.0 kg (388.0 pounds) |
| Power/weight ratio |
0.1784 HP/kg |
| Fuel capacity |
16.00 litres (4.23 gallons) |
Other specifications |
| Starter |
Kick |
