| Attribute | Simplex Automatic 1943 × | Simplex Automatic 1942 × |
|---|---|---|
| General | ||
| Production from (year) | 1943 | 1942 |
| Make | Simplex | Simplex |
| Model | Simplex Automatic | Simplex Automatic |
| Category | Allround | Allround |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. Tillottson | Carburettor. Tillottson |
| Displacement (cm³) | 130 | 130 |
| Power (kw) | 2.9 | 2.9 |
| Transmission type,final drive | Belt | Belt |
| Bore (mm) | 50.8 | 50.8 |
| Stroke (mm) | 64.3 | 64.3 |
| Fuel control | Overhead Valves (OHV) | Overhead Valves (OHV) |
| Ignition | Magneto and dual spark plugs | Magneto and dual spark plugs |
| Compression | 6.5:1 | 6.5:1 |
| Chassis | ||
| Front suspension | Short rocker arms and two coil springs | Short rocker arms and two coil springs |
| Rear suspension | Rigid | Rigid |
| Frame type | Duplex loop | Duplex loop |
| Front tyre | 2.50-26 | 2.50-26 |
| Rear tyre | 2.50-26 | 2.50-26 |
| Seat | Solo seat with springs | Solo seat with springs |
| Dimensions | ||
| Wheelbase (mm) | 1,194 | 1,194 |
| Dry weight (kg) | 61 | 61 |
| Power/weight ratio | 0.0474 | 0.0474 |
| Performance | ||
| Fuel capacity (l) | 9.46 | 9.46 |