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