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General information |
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Model
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AJS Model 20 500 |
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Year model
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1951 |
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Type
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Allround |
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Rating
|
2.8 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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498.0 ccm (30.39 cubic inches) |
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Type of engine
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Twin, four-stroke |
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Effect
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20.0 HP (14.6 kW)) @ 6800 RPM |
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Top speed
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137.0 km/h (85.1 mph) |
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Compression
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7.0:1 |
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Bore x stroke
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66.0 x 72.8 mm (2.6 x 2.9 inches) |
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Fuel system
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Carburettor |
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Ignition
|
Magneto |
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Cooling system
|
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
|
Wet multiplate |
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Chassis, suspension, brakes and wheels |
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Frame type
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Single cradle |
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Front suspension
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Telescopic |
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Rear suspension
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Twin shock |
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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
|
Dual |
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Physical measures and capacities |
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Dry weight
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178.0 kg (392.4 pounds) |
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Power/weight ratio
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0.1124 HP/kg |
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Overall height
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1050 mm (41.3 inches) |
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Overall length
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2190 mm (86.2 inches) |
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Overall width
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710 mm (28.0 inches) |
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Fuel capacity
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13.50 litres (3.57 US gallons) |
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Other specifications |
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Starter
|
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 51 AJS Model 20 500 discussion group or the general AJS discussion group. |
| Related bikes | List related bikes for comparison of specs. |
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