| Aprilia's profilation of this bike |
| With its 17” wheels and sports tyres, the SX is the obvious candidate for the prize of the meanest 125 over mixed routes. Nippy and lightweight, the SX delivers real ‘big bike’ performance without exceeding the power restrictions imposed by law. Its refined, sprightly engine never lets you down. |
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General information |
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Model
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Aprilia SX 125 |
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Year model
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2012 |
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Type
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Super motard |
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Rating
|
3.3 Check out the detailed rating of off-road capabilities, engine performance, maintenance cost, etc. Compare with any other bike. |
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Engine and transmission |
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Engine size
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122.0 ccm (7.44 cubic inches) |
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Type of engine
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Single cylinder, two-stroke |
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Engine details
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Rotax 122 engine. Aluminium cylinder with Nikasil liner. |
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Effect
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21.5 HP (15.7 kW)) |
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Torque
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16.0 Nm (1.6 kgf-m or 11.8 ft.lbs) @ 9750 RPM |
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Top speed
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115.0 km/h (71.5 mph) |
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Compression
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12.5:1 |
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Bore x stroke
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54.0 x 54.5 mm (2.1 x 2.1 inches) |
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Fuel system
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Carburettor. Dell’Orto VHST 28 |
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Ignition
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Electronic CDI ignition. |
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Lubrication system
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Separate mixing with variable displacement, volumetric pump. |
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Cooling system
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Liquid |
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Gearbox
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6-speed |
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Transmission type
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Chain (final drive) |
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Clutch
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Multi-plate wet clutch. |
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Emission details
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Euro 3 |
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Chassis, suspension, brakes and wheels |
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Frame type
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High strength steel frame with double trellis beam and double cradle. Detachable seat frame. |
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Front suspension
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40 mm upside down hydraulic fork. |
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Front wheel travel
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260 mm (10.2 inches) |
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Rear suspension
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Steel swingarm. Hydraulic monoshock with piggy back cylinder. |
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Rear wheel travel
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270 mm (10.6 inches) |
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Front tire
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110/70-17 |
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Rear tire
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150/60-17 |
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Front brakes
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Single disc |
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Diameter
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260 mm (10.2 inches) |
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Rear brakes
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Single disc |
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Diameter
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220 mm (8.7 inches) |
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Wheels
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Aluminium |
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Physical measures and capacities |
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Dry weight
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115.0 kg (253.5 pounds) |
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Power/weight ratio
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0.1865 HP/kg |
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Seat height
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830 mm (32.7 inches) If adjustable, lowest setting. |
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Overall length
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2165 mm (85.2 inches) |
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Overall width
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850 mm (33.5 inches) |
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Wheelbase
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1480 mm (58.3 inches) |
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Fuel capacity
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10.00 litres (2.64 US gallons) |
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Reserve fuel capacity
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1.30 litres (0.34 US gallons) |
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Other specifications |
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Color options
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Black |
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Starter
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Kick |
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Electrical
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12V 180W generator. |
| Update specs | Report missing specs or required updates. |
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Further information |
| Insurance costs | Compare US insurance quotes from the nation's top providers. |
| Parts finder |
Check out our overview of motorcycle webshops at Bikez.info. |
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
| Ask questions | Join the 12 Aprilia SX 125 discussion group or the general Aprilia discussion group. |
| Related bikes | List related bikes for comparison of specs. |
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Rating sample for this Aprilia bike
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Engine performance for the 2012 Aprilia SX 125:
 (73.1 out of 100)
Click here for complete rating. You can also compare bikes.
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