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AJS Model 20 500

Production Year: 1948, 1949, 1950, 1951, 1952, 1953, 1954, 1955, 1956, 1957, 1958, 1959, 1960, 1961
AJS Models
Type: air-cooled, four-stroke, parallel twin cylinder, OHV, 2 valves per cylinder
engine specs
Typeair-cooled, four-stroke, parallel twin cylinder, OHV, 2 valves per cylinder
Displacement498 cm3
Bore X Stroke2.6x2.9 in OR 66 mm
Compression Ratio7.3:1
Horsepower29/5000 KW(hp)/RPM
Fuel Systemcarburetor
transmission specs
Gearbox4-speed, manual
Clutchwet multi-disc, manual
Final Drivechain
chassis specs
Framesteel
Front Suspensiontelescopic fork
Rear Suspensiondual shocks, sprung seat
Front Brakedrum
Rear Brakedrum
dimension specs
Weight392 lbs OR 178 kg
Fuel Capacity4.5 gallons OR 17.0 L
tyres specs
Front3.25 -18
Rear3.25 -18

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