Comparison of Ariel 4F Square Four 600 1932 and Harley-Davidson Sport Twin 1920 [S]ave
| Attribute |  Ariel 4F Square Four 600 1932 × |  Harley-Davidson Sport Twin 1920 × |
|---|---|---|
| General | ||
| Production from (year) | 1932 | 1920 |
| Make | Ariel | Harley-Davidson |
| Model | Ariel 4F Square Four 600 | Harley-Davidson Sport Twin |
| Category | Allround | Sport |
| Engine and transmission | ||
| Engine type | Square four cylinder | Twin, four-stroke |
| Valves per cylinder | 2 | - |
| Fuel system | Carburettor | Carburettor |
| Engine details | Double twin - square 4 cylinder arrangement | - |
| Displacement (cm³) | 601 | 590 |
| Power (kw) | 16.8 | - |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 56 | 69.9 |
| Stroke (mm) | 61 | 76.2 |
| Gearbox | 4-speed | - |
| Fuel control | Overhead Cams (OHC) | Sidevalves |
| Ignition | - | Magneto |
| Clutch | - | Three speed |
| Compression | 6.9:1 | 3.8:1 |
| Exhaust system | 2 x 1-into-1 | - |
| Chassis | ||
| Front suspension | Spring girders | Trailing link with single downtube |
| Rear suspension | Rigid | Rigid |
| Front brakes | Expanding brake (drum brake) | - |
| Rear brakes | Expanding brake (drum brake) | - |
| Frame type | Semi-cradle | Tubular steel |
| Front tyre | 3.25-19 | 3-26 |
| Rear tyre | 3.25-19 | 3-26 |
| Wheels | Wire spoked | - |
| Other | ||
| Starter | Kick | - |
| Dimensions | ||
| Wheelbase (mm) | 1,385 | 1,448 |
| Dry weight (kg) | 168 | 120 |
| Power/weight ratio | 0.1 | - |
| Performance | ||
| Fuel capacity (l) | 13.25 | 10 |
Help · Contact us · Disclaimer · Contributors · Developers · Donate