| Aprilia's profilation of this bike |
| The Aprilia RS4 125 is the natural successor and most advanced evolution to date of the Aprilia RS 125, the bike that has dominated the 125 cc sports class for years, which set the benchmark for the one-eighth litre sports segment and which is still today the most highly sought after machine among riders competing in the Sport Production category. |
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General information |
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Model
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Aprilia RS4 125 |
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Year of manufacture
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2011 |
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Type
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Sport |
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Rating
|
3.1 Check out the detailed rating of racing track capabilities, engine performance, accident risk, etc. Compare with any other bike. |
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Engine and transmission |
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Engine size
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124.8 ccm (7.62 cubic inches) |
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Type of engine
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Single cylinder, four-stroke |
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Output
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16.0 HP (11.7 kW)) |
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Compression
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12.5:1 |
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Bore x stroke
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58.0 x 47.0 mm (2.3 x 1.9 inches) |
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Valves per cylinder
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4 |
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Fuel system
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Injection |
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Fuel control
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Double Overhead Cams/Twin Cam (DOHC) |
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Ignition
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CDI |
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Lubrication system
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Wet sump |
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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 in oil bath. |
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Driveline
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Primary drive: Gearbox: 63/19 (3.31). Final drive: Chain: 17/40 (2.35). |
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Chassis, suspension, brakes and wheels |
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Frame type
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aluminium, Single cradle frame |
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Front suspension
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Upside down hydraulic fork, 40 mm. |
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Front wheel travel
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110 mm (4.3 inches) |
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Rear suspension
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Swingarm. Hydraulic monoshock with adjustable spring preload. |
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Rear wheel travel
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130 mm (5.1 inches) |
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Front tire
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110/80-R17 |
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Rear tire
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130/70-R17 |
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Front brakes
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Single disc |
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Diameter
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300 mm (11.8 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 alloy. Front 3.00 x 17”; rear 4,00 x 17”. |
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Physical measures and capacities |
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Weight incl. oil, gas, etc
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120.0 kg (264.6 pounds) |
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Seat height
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820 mm (32.3 inches) If adjustable, lowest setting. |
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Overall length
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1955 mm (77.0 inches) |
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Overall width
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740 mm (29.1 inches) |
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Wheelbase
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1350 mm (53.1 inches) |
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Fuel capacity
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14.50 litres (3.83 US gallons) |
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Other specifications |
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Color options
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Red/black |
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Starter
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Electric |
| 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 11 Aprilia RS4 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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Racing track capabilities for the 2011 Aprilia RS4 125:
 (69.1 out of 100)
Click here for complete rating. You can also compare bikes.
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