AJS Model 20 500 Spring Twin

     

 

Make Model

AJS Model 20 500 Spring Twin

Year

1952

Engine

Air cooled, four stroke, Parallel twin cylinder, OHV. 2 valve per cylinder, Crankshaft: 3-saved plain bearing / roller bearing

Capacity

489
Bore x Stroke 66 x 72,8 mm
Compression Ratio 7,0 : 1

Induction

Carburetor

Ignition  /  Starting

6 Volt Magnet (Lucas K2F)   /  kick
Clutch Multi Plate (dry, Burman)

Max Power

29 hp

Transmission  /  Drive

4 Speed  /  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

Fuel Capacity 

13.5 Litres

 

 

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