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1931 Ariel 4F Square Four 500 Specs

General ─░nformation

Model Ariel 4F Square Four 500
Year 1931
Category Allround

Engine and transmission

Displacement 498.00 ccm (30.39 cubic inches)
Engine type Double twin - square 4 cylinder arrangement
Top speed 120.7 km/h (75.0 mph)
Compression 6.9:1
Bore x stroke 51.0 x 61.0 mm (2.0 x 2.4 inches)
Valves per cylinder 2
Fuel system Carburettor. Amal
Fuel control Overhead Cams (OHC)
Lubrication system Wet sump
Cooling system Air
Gearbox 4-speed
Transmission type, final drive Chain
Driveline Burman gearbox
Exhaust system 2 x 1-into-1 pipes

Chassis, suspension, brakes and wheels

Frame type Tubular single loop
Front suspension Spring girders
Rear suspension Rigid
Frame 3.25-19
Front tyre 3.25-19
Rear tyre 3.25-19
Front brakes Expanding brake (drum brake)
Rear brakes Expanding brake (drum brake)

Physical measures and capacities

Dry weight 193.0 kg (425.5 pounds)
Overall length 2,100 mm (82.7 inches)
Wheelbase 1,385 mm (54.5 inches)
Fuel capacity 13.25 litres (3.50 gallons)

Other specifications

Color options Red/beige
Starter Kick
Comments Also called Squariel.
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