General İnformation |
| Model |
Ariel 4G Square Four Mark II |
| Year |
1953 |
| Category |
Allround |
Engine and transmission |
| Displacement |
995.00 ccm (60.71 cubic inches) |
| Engine type |
Double twin cylinder arranged as a square. |
| Power |
45.00 HP (32.8 kW)) @ 5500 RPM |
| Top speed |
160.0 km/h (99.4 mph) |
| Compression |
6.0:1 |
| Bore x stroke |
65.0 x 78.0 mm (2.6 x 3.1 inches) |
| Valves per cylinder |
2 |
| Fuel system |
Carburettor. SU MC2 carburettor |
| Fuel control |
Overhead Valves (OHV) |
| Lubrication system |
Dry sump with dual oil pump. |
| Cooling system |
Air |
| Gearbox |
4-speed |
| Transmission type, final drive |
Chain |
Chassis, suspension, brakes and wheels |
| Frame type |
Tubular single loop |
| Front suspension |
Oil damped telescopic fork |
| Rear suspension |
Plunger-link spring |
| Frame |
3.25-19 |
| Front tyre |
3.25-19 |
| Rear tyre |
4.00-18 |
| Front brakes |
Expanding brake (drum brake) |
| Front brakes diamete |
203 mm (8.0 inches) |
| Rear brakes |
Expanding brake (drum brake) |
| rear_brakes_diameter |
178 mm (7.0 inches) |
| Seat |
Solo seat |
Physical measures and capacities |
| Dry weight |
193.0 kg (425.5 pounds) |
| Power/weight ratio |
0.2332 HP/kg |
| Overall length |
2,083 mm (82.0 inches) |
| Wheelbase |
1,422 mm (56.0 inches) |
| Fuel capacity |
16.00 litres (4.23 gallons) |
| Oil capacity |
3.40 litres (0.22 quarts) |
Other specifications |
| Starter |
Kick |
| light |
30 Watt headlamp. |
| Comments |
Also called ´Squariel´. Designed by Edward Turner. Mark II has separate barrels, a re-designed cylinder head with four separate exhaust pipes from two cast-aluminium manifolds and a rocker-box combined with the inlet manifold. |
