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1948 AJS Model 20 500 technical specifications

AJS Model 20 500 technical specifications

Technical specifications

Model: Model 20 500
Years: 1948-61
Engine: Four stroke, parallel twin cylinder, OHV. 2 valve per cylinder, Crankshaft: 3-saved plain bearing / roller bearing
Capacity: 498 cc / 30.4 cu in
Bore x Stroke: 66 x 72.8 mm
Compression Ratio: 7.3:1
Cooling System: Air cooled
Oil Capacity: 2.5 L / 5.3 US pt
Induction: Carburetor
Ignition: Lucas magneto, K2F
Spark plug: KLG FE80, 14 mm thread
Starting: Kick
Clutch: Multi Plate (dry, Burman)
Max Power: 21.6 kW / 29 hp
Transmission: 4 Speed
Final Drive: Chain
Frame: Single cradle
Front Suspension: Hydraulic telescopic fork
Rear Suspension: Dual chocks
Front Brakes: Drum
Rear Brakes: Drum
Front Tyre: 3.25 -18
Rear Tyre: 3.25 -18
Weight: 178 kg / 392 lbs
Fuel Capacity: 17 L / 4.5 US gal
Top Speed: 150 km/h / 93 mph

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