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General information |
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Model name
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AJS Model 31 650 Swift |
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Year of manufacture
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1961 |
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Type
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Allround |
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Rating
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3.0 Check out the detailed rating of reliability, maintenance costs, value for money, etc. Compare with any other motorcycle. |
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Engine and transmission |
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Engine size
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646.0 ccm (39.42 cubic inches) |
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Type of engine
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Twin, four-stroke |
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Output
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31.4 HP (22.9 kW)) @ 6000 RPM |
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Compression
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7.5:1 |
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Bore x stroke
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72.0 x 79.3 mm (2.8 x 3.1 inches) |
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Fuel system
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Carburettor |
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Fuel control
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Overhead Valves (OHV) |
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Ignition
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Bobine |
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Cooling system
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Air |
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Gearbox
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4-speed |
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Transmission type
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Chain (final drive) |
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Clutch
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Wet multiplate |
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Chassis, suspension, brakes and wheels |
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Frame type
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Doble cradle |
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Front suspension
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Hydraulic telescopic |
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Rear suspension
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Twin shock Girling |
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Front tire
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3.25-19 |
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Rear tire
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3.25-19 |
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Front brakes
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Expanding brake (drum brake) |
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Rear brakes
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Expanding brake (drum brake) |
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Wheels
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Spoked |
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Seat
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Dual |
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Physical measures and capacities |
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Dry weight
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176.0 kg (388.0 pounds) |
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Power/weight ratio
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0.1784 HP/kg |
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Fuel capacity
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16.00 litres (4.23 US gallons) |
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Other specifications |
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Starter
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Kick |
| Update specs | Report missing specs or required updates. |
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Further information |
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
| Ask questions | Join the 61 AJS Model 31 650 Swift discussion group or the general AJS discussion group. |
| Related bikes | List related bikes for comparison of specs. |
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Rating sample for this AJS bike
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Fun-factor for the 1961 AJS Model 31 650 Swift:
 (71.7 out of 100)
Click here for complete rating. You can also compare bikes.
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