Aprilia RS 125 Replica GP - 2018 Specifications and Reviews
The 2018 Aprilia RS 125 Replica is an agile lightweight sportbike designed for novice and intermediate riders seeking accessible performance. Known for its aggressive supersport styling and nimble handling characteristics, it delivers the thrills of a race replica in an manageable package. The compact 120 kg frame and responsive braking system make it ideal for both commuting and weekend riding enjoyment.
About the Aprilia RS 125 Replica GP
Powered by a Euro 4 compliant liquid cooled 124.2cc single cylinder four stroke engine, producing 14.8bhpÂ
Slightly confusingly the 2017 RS125 replaces the 2011-2016 RS4 125, which itself replaced the 2006-2012 two stroke RS125 In the majority of countries, however still continues to carry the RS4 moniker in some!
compared to the previous version it is Euro 4 compliant and now comes with ABS.
Optional Extras include a quickshifter, USB port and smartphone connectivity.
There is a MotoGP Replica edition which includes the quickshifter.
General information | |
| Category | Sport |
| Year | 2018 |
| Model | Aprilia RS 125 Replica GP |
| | |
Engine and Transmission Specifications | |
| Emission details | Euro 4 |
| Driveline | Primary drive: Gearbox: 63/19 (3.31). Final drive: Chain: 17/40 (2.35). |
| Clutch | Multi-plate in oil bath. |
| Transmission type,final drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Lubrication system | Wet sump |
| Ignition | Electronic with CDI capacity discharge |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Fuel system | Injection. Magneti Marelli M3G ø 32mm ECU |
| Valves per cylinder | 4 |
| Bore x Stroke | 58.0 x 47.0 mm (2.3 x 1.9 inches) |
| Compression | 12.5:1 |
| Torque | 10.90 Nm (1.1 kgf-m or 8.0 ft.lbs) @ 8250 RPM |
| Power | 15.00 HP (10.9 kW) @ 10500 RPM |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 124.80 ccm (7.62 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Wheels | Light alloy with 6 split spokes |
| Rear brakes diameter | 218 mm (8.6 inches) |
| Rear brakes | Single disc. Single 30 mm piston |
| Front brakes diameter | 300 mm (11.8 inches) |
| Front brakes | Single disc. Stainless steel disc with radial 4 piston calliper |
| Rear tyre | 130/70-R17 |
| Front tyre | 110/80-R17 |
| Rear wheel travel | 130 mm (5.1 inches) |
| Rear Suspension | Asymetric swingarm. Hydraulic monoshock with adjustable spring preload. |
| Front wheel travel | 110 mm (4.3 inches) |
| Front Suspension | Upside down hydraulic fork |
| Frame type | Aluminium perimeter |
| | |
Physical measures and capacities | |
| Reserve fuel capacity | 3.30 litres (0.87 gallons) |
| Fuel capacity | 14.50 litres (3.83 gallons) |
| Wheelbase | 1,350 mm (53.1 inches) |
| Overall width | 760 mm (29.9 inches) |
| Overall length | 1,968 mm (77.5 inches) |
| Overall height | 1,135 mm (44.7 inches) |
| Seat height | 820 mm (32.3 inches) If adjustable, lowest setting. |
| Weight incl. oil, gas, etc | 120.0 kg (264.6 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Starter | Electric |
| Color options | Black/silver/red/green |
Performance Profile & Rider Fit
Best For
Rider Profile
| Best For | This bike suits newer or younger riders, including those on a learner or restricted licence, who want a genuine sportbike experience without intimidating power. |
| Purpose | Built for sharp, playful cornering and mimicking GP-style riding rather than outright speed, it rewards momentum-carrying and precise lines over brute acceleration. |
| Rider Fit | Its extremely light weight and compact dimensions make it easy to flick around and manageable for smaller or less physically strong riders. |
| Character | It has the soul of a small racer, eager to be revved hard and thrown into corners, with sharp handling and race-derived chassis feel. |
| Not Ideal For | It is not suited to riders wanting strong highway performance, long-distance comfort, passenger carrying, or off-road capability. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
Rider Reviews

MotorcycleDB Review
The 2018 Aprilia RS 125 Replica GP motorcycle is a sleek and powerful bike that is sure to turn heads on the road. With its sporty design and high-performance engine, this motorcycle is perfect for riders who crave speed and agility. The replica GP edition pays homage to Aprilia's racing heritage, making it a must-have for motorcycle enthusiasts. Whether you're a seasoned rider or a beginner, this bike offers a thrilling experience and top-notch performance. The Aprilia RS 125 Replica GP motorcycle is outfitted with advanced technology and premium features that set it apart from other bikes in its class. Its lightweight frame and responsive handling make it a joy to ride, while the powerful engine delivers an exhilarating experience. From its eye-catching design to its impressive performance, this motorcycle is a standout choice for anyone in search of a high-quality and thrilling ride.Add a Comment
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