Aprilia RS 125 - 2009 Specifications and Reviews
The 2009 Aprilia RS 125 is a lightweight sport bike designed for beginner and intermediate riders seeking an affordable entry into sportbike riding. Powered by a 124.8cc liquid-cooled single-cylinder engine with electronic CDI ignition, it delivers responsive performance paired with excellent fuel efficiency. Known for its aggressive styling, nimble handling, and reliability, the RS 125 remains popular for learner riders and commuters worldwide.
About the Aprilia RS 125
Changes from the previous model:
An optional racing kit is available (only for use on the track), providing a expansion chamber racing exhaust, racing exhaust vale with control unit and a racing spark plug.
In 2008 the electronics changed from Nippon-Denso to Piaggio components, including both the CDI and EFI. Along with a vacuum fuel tap and a new Dell-orto 28mm VHST carburettor with vacuum pipe extension.
For 2010 A special edition Aprilia RS 125 Replica SBK World Superbike
edition was released carrying Max Biaggi's number 3.
For 2011 A special edition Aprilia RS 125 Replica Alitalia World Superbike edition was released, provided in The Aprilia Alitalia WSB Racing Team livery which coloured a number of successes for Biaggi in 2010.
The RS125 was dropped in 2012 to make way for the new Aprilia RS4 125 moving from a two-stroke to a four-stroke fuel injected engine.
General information | |
| Category | Sport |
| Year | 2009 |
| Model | Aprilia RS 125 |
| | |
Engine and Transmission Specifications | |
| Clutch | Multi-plate in oil bath. |
| Transmission typefinal drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Lubrication system | Separate mixing with variable displacement, volumetric pump. |
| Starter | Electric |
| Ignition | Electronic CDI ignition. |
| Fuel system | Carburettor. Dell'Orto VHST 28 |
| Bore x stroke | 54.0 x 54.5 mm (2.1 x 2.1 inches) |
| Compression | 12.5:1 |
| Stroke | 2 |
| Engine type | Single cylinder |
| Capacity: | 124.80 ccm (7.62 cubic inches) |
Physical measures and capacities | |
| Wheelbase | 1,345 mm (53.0 inches) |
| Overall width | 720 mm (28.3 inches) |
| Overall length | 1,955 mm (77.0 inches) |
Aprilia RS 125 dimensions and frame | |
| Rear brakes diameter | 220 mm (8.7 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 320 mm (12.6 inches) |
| Front brakes | Single disc |
| Rear tyre dimensions | 150/60-17 |
| Front tyre dimensions | 110/70-17 |
| Rear suspension | Swingarm with asymmetric members in thin wall box section cast aluminium. Hydraulic monoshock with adjustable spring preload. Wheel travel 120 mm. |
| Front suspension | Upside down hydraulic fork, 40 mm. Wheel travel 120 mm. |
| | |
Speed and acceleration | |
| Color options | Aprilia Black, Fluo Red, Replica Spain´s n.1, Replica Talmacsi |
| Fuel capacity | 14.00 litres (3.70 gallons) |
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