| General information |
|---|
| Model: | Simplex Automatic |
| Year: | 1942 |
| Category: | Allround |
| Rating: | Do you know this bike?
Click here to rate it. We miss 2 votes to show the rating. |
| Engine and transmission |
|---|
| Displacement: | 130.0 ccm (7.93 cubic inches) |
| Engine type: | Single cylinder, two-stroke |
| Power: | 4.0 HP (2.9 kW)) @ 4000 RPM |
| Compression: | 6.5:1 |
| Bore x stroke: | 50.8 x 64.3 mm (2.0 x 2.5 inches) |
| Fuel system: | Carburettor. Tillottson |
| Fuel control: | Overhead Valves (OHV) |
| Ignition: | Magneto and dual spark plugs |
Transmission type,
final drive: | Belt |
| Chassis, suspension, brakes and wheels |
|---|
| Frame type: | Duplex loop |
| Front suspension: | Short rocker arms and two coil springs |
| Rear suspension: | Rigid |
| Front tyre: | 2.50-26 |
| Rear tyre: | 2.50-26 |
| Seat: | Solo seat with springs |
| Physical measures and capacities |
|---|
| Dry weight: | 61.2 kg (135.0 pounds) |
| Power/weight ratio: | 0.0653 HP/kg |
| Wheelbase: | 1194 mm (47.0 inches) |
| Fuel capacity: | 9.46 litres (2.50 gallons) |
| Other specifications |
|---|
| Modifications compared to previous model: | This year the transmission is direct drive and no clutch. |
| Further information |
|---|
| Ask questions | Join the 42 Simplex Automatic discussion group or the general Simplex discussion group. |
| Related bikes | List related bikes for comparison of specs. |
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