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1963 AJS Model 31 650 Swift Specs

General ─░nformation

Model AJS Model 31 650 Swift
Year 1963
Category Allround

Engine and transmission

Displacement 646.00 ccm (39.42 cubic inches)
Power 31.40 HP (22.9 kW)) @ 6000 RPM
Compression 7.5:1
Bore x stroke 72.0 x 79.3 mm (2.8 x 3.1 inches)
Fuel system Carburettor
Fuel control Overhead Valves (OHV)
Ignition Bobine
Cooling system Air
Transmission type, final drive Chain

Chassis, suspension, brakes and wheels

Frame type Doble cradle
Front suspension Hydraulic telescopic
Rear suspension Twin shock Girling
Front brakes Expanding brake (drum brake)
Rear brakes Expanding brake (drum brake)
Seat Dual

Physical measures and capacities

Dry weight 176.0 kg (388.0 pounds)
Power/weight ratio 0.1784 HP/kg
Fuel capacity 16.00 litres (4.23 gallons)

Other specifications

Starter Kick
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