Ariel Square Four 500: history, specs, pictures
| Manufacturer | Ariel |
|---|---|
| Also called | 4F Square Four 500 |
| Production | 1931 |
| Engine | square four cylinder |
| Bore / Stroke | 51.0mm x 61.0mm |
| Top speed | 75 mph (120 km/h) |
| Fuel system | carburettor. amal |
| Battery | 6.9:1 |
| Transmission | Gear box: 4-speed Final Drive: chain |
| Suspension | Front: spring girders Rear: rigid |
| Brakes | Front: expanding brake (drum brake) Rear: expanding brake (drum brake) |
| Front Tire | 3.25-19 |
| Rear Tire | 3.25-19 |
| Wheelbase | 54.53 inches (1385 mm) |
| Dimensions | L 82.68 inches (2100 mm) |
| Weight | 425.49 pounds (193.0 Kg) |
| Fuel capacity | 3.5 Gallon (13.25 Liters) |
| Manuals | Service Manual |
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The Ariel 4F Square Four 500 was a square four cylinder standard produced by Ariel in 1931. It could reach a top speed of 75 mph (120 km/h).
Engine
The engine was a air cooled square four cylinder. A 51.0mm bore x 61.0mm stroke result in a displacement of just 498.0 cubic centimeters. Fuel was supplied via a overhead cams (ohc).
Drive
The bike has a 4-speed transmission.
Chassis
It came with a 3.25-19 front tire and a 3.25-19 rear tire. Stopping was achieved via expanding brake (drum brake) in the front and a expanding brake (drum brake) in the rear. The front suspension was a spring girders while the rear was equipped with a rigid. The 4F Square Four 500 was fitted with a 3.5 Gallon (13.25 Liters) fuel tank. The bike weighed just 425.49 pounds (193.0 Kg). The wheelbase was 54.53 inches (1385 mm) long.