AJS Model 20 500 Make Model. | AJS Model 20 500 | Year | 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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