| Attribute | Dnepr MT-9 1976 × | AJS Model 31 650 Swift 1963 × |
|---|---|---|
| General | ||
| Production from (year) | 1976 | 1963 |
| Make | Dnepr | AJS |
| Model | Dnepr MT-9 | AJS Model 31 650 Swift |
| Category | Classic | Allround |
| Engine and transmission | ||
| Engine type | Two cylinder boxer, four-stroke | V2, four-stroke |
| Fuel system | - | Carburettor |
| Displacement (cm³) | 649 | 646 |
| Power (kw) | 23.4 | 22.9 |
| Cooling system | - | Air |
| Transmission type,final drive | Shaft drive (cardan) | Chain |
| Bore (mm) | 78 | 72 |
| Stroke (mm) | 68 | 79.3 |
| Fuel control | - | Overhead Valves (OHV) |
| Ignition | - | Bobine |
| Clutch | - | Wet multiplate |
| Compression | - | 7.5:1 |
| Chassis | ||
| Front suspension | - | Hydraulic telescopic |
| Rear suspension | - | Twin shock Girling |
| Front brakes | Expanding brake | Expanding brake (drum brake) |
| Rear brakes | Expanding brake | Expanding brake (drum brake) |
| Frame type | - | Doble cradle |
| Seat | - | Dual |
| Wheels | - | Spoked |
| Other | ||
| Starter | - | Kick |
| Dimensions | ||
| Dry weight (kg) | 210 | 176 |
| Power/weight ratio | 0.1114 | 0.1301 |
| Performance | ||
| Fuel capacity (l) | - | 16 |