Mbike - Catalogue. Community. Map.
Catalogue. Community. Map.
AJS Model 31 650 Swift 1959 
Air cooled, 646cc, Inline-2, OHV
| Power: | 42.96 HP (31.6 kW) @ 6000 rpm |
| Final drive: | Chain |
| Dry weight: | 388 lbs |
| Category: | Classic |
| Tags: | Classic bike, Touring |
|
Engine and transmission
|
|
| Engine type: | 2 cylinders, 4-stroke, Inline |
| Displacement: | 646 cc (39.47 cubic inches) |
| Bore × stroke: | 2.83 inch × 3.12 inch (undersquare - longstroke) |
| Cooling system: | Air cooled |
| Power: | 42.96 HP (31.6 kW) @ 6000 rpm |
| Throttle: | Cable operated |
| Valves | |
| Valve train: | OHV, variable |
| Valves per cylinder: | 2 |
| Fuel and ignition | |
| Sparks per cylinder: | 1 |
| Fuel supply system: | Carburetor |
| Ignition type: | mechanically timed |
| Compression: | 7.5:1 |
| Engine mounting: | Transverse |
| Lubrication system: | Wet sump |
| Gear box: | Manual 4-speed |
| Clutch: | Wet, multiple discs, cable operated |
| Final drive: | Chain |
| Starter: | Kick-starter |
|
Dimensions
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|
| Physical measures | |
| Length: | 86.2 inch |
| Width: | 28 inch |
| Weight | |
| Dry weight: | 388 lbs |
|
Chassis and suspension
|
|
| Frame type: | steel, Double cradle frame |
| Front | |
| Suspension: | Cartridge |
| Brake: | Single Drum |
| Rear | |
| Suspension: | twin shock, Swingarm |
| Brake: | Drum |
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Other
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|
| ABS available: | No |
| Fuel capacity: | 4.23 gals |
| Number of riders: | 2 persons |
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