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| Model | Aprilia SX 50 |
| Year | 2013 |
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| Displacement | 49.9 ccm (3.04 cubic inches) |
| Engine type | Single cylinder, two-stroke |
| Engine details | Light alloy cylinder |
| Compression | 11.5:1 |
| Bore x stroke | 39.9 x 40.0 mm (1.6 x 1.6 inches) |
| Fuel system | Carburettor. Dell Ortho PVHA 17.5 |
| Ignition | Electronic C.D.I |
| Lubrication system | Automatic mixer |
| Cooling system | Liquid |
| Gearbox | 6-speed |
| Transmission type | Chain (final drive) |
| Clutch | Multi-plate |
| Driveline | Primary drive: Gears. Ratio: 21/78. Final driverRatio: 11/53 |
| Emission details | Euro 2 |
| Exhaust system | Catalytic converter |
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| Frame type | Steel beam |
| Front suspension | 40 mm hydraulic fork with leading axle. |
| Front wheel travel | 195 mm (7.7 inches) |
| Rear suspension | High strength steel swingarm; Hydraulic monoshock. |
| Rear wheel travel | 180 mm (7.1 inches) |
| Front tire | 110/80-17 |
| Rear tire | 130/70-17 |
| Front brakes | Single disc. Stainless steel disc, floating caliper. |
| Diameter | 300 mm (11.8 inches) |
| Rear brakes | Single disc. Stainless steel disc, caliper with two opposing pistons. |
| Diameter | 180 mm (7.1 inches) |
| Wheels | Spoked wheels with aluminium rim. Front: 2.50 X 17” Rear: 3.50 x 17” |
| Seat height | 830 mm (32.7 inches) If adjustable, lowest setting. |
| Overall length | 2045 mm (80.5 inches) |
| Overall width | 825 mm (32.5 inches) |
| Wheelbase | 1406 mm (55.4 inches) |
| Fuel capacity | 7.00 litres (1.85 US gallons) |
