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General information |
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Motorcycle name
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AJS Model 20 500 |
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Year model
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1955 |
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Type
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Allround |
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Rating
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3.4 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
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Magneto |
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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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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
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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 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
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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 55 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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Compare with another motorcycle |
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Pictures of classic bikes wanted
Bikez is now publishing specs for pre 1970 motorcycles. We invite our users to upload pictures of classic motorcycles. You will get your name and
bike on Bikez.com. Search for the bikes you have pictures of and use the link to upload pictures. See our contribution page. We also have a
discussion group about restoration and valuation of each bike. Vintage
and veteran bikes can be sold and bought through our free motorcycle classifieds.
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Rating sample for this AJS bike
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Racing track capabilities for the 1955 AJS Model 20 500:
 (43.6 out of 100)
Click here for complete rating. You can also compare bikes.
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Pictures, trademarks and logos of third parties are the exclusive
property of the respective owners. Technical specifications are subject to change without notice.
