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|---|
| Model | Ariel MK1 Square Four |
| Year | 1949 |
|
|---|
| Displacement | 997.0 ccm (60.84 cubic inches) |
| Engine type | Single cylinder, four-stroke |
| Power | 40.0 HP (29.2 kW) @ 5800 RPM |
| Fuel system | Carburettor |
| Fuel control | Overhead Valves (OHV) |
| Cooling system | Air |
| Transmission type | Chain (final drive) |
|
|---|
| Frame type | Tubular single loop |
| Front tire | 3.25-19 |
| Rear tire | 4-18 |
| Front brakes | Expanding brake (drum brake) |
| Diameter | 178 mm (7.0 inches) |
| Rear brakes | Expanding brake (drum brake) |
| Diameter | 203 mm (8.0 inches) |
| Wheels | Spoked |
| Seat | Dual |
| Dry weight | 193.0 kg (425.5 pounds) |
| Power/weight ratio | 0.2073 HP/kg |
| Overall length | 2100 mm (82.7 inches) |
| Wheelbase | 1422 mm (56.0 inches) |
| Fuel capacity | 23.00 litres (6.08 US gallons) |
