General information |
Motorcycle name
|
AJS Model 31 650 Swift |
Model year
|
1960 |
Category
|
Allround |
Rating
|
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Engine and transmission |
Displacement
|
646.0 ccm (39.42 cubic inches) |
Engine type
|
Twin, four-stroke |
Power output
|
31.4 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
|
Chain (final drive) |
Clutch
|
Wet multiplate |
Chassis, suspension, brakes and wheels |
Frame type
|
Doble cradle |
Front suspension
|
Hydraulic telescopic |
Rear suspension
|
Twin shock Girling |
Front tire
|
3.25-19 |
Rear tire
|
3.25-19 |
Front brakes
|
Expanding brake (drum brake) |
Rear brakes
|
Expanding brake (drum brake) |
Wheels
|
Spoked |
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 US gallons) |
Other specifications |
Starter
|
Kick |
Update specs | Report missing specs or required updates. |
Further information |
Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
Ask questions | Join the 60 AJS Model 31 650 Swift discussion group or the general AJS discussion group. |
Related bikes | List related bikes for comparison of specs. |
Compare with another motorcycle |
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