Aprilia RS 125 GP Replica - 2021 Specifications and Reviews
The 2021 Aprilia RS 125 GP Replica is a sporty 125cc single-cylinder four-stroke designed for entry-level riders seeking genuine racing aesthetics. Powered by a 15 horsepower engine with liquid cooling and electronic fuel injection, it delivers nimble performance and sharp handling characteristics. This model is best known for combining accessible lightweight dynamics with authentic GP-inspired styling, making it ideal for learners and urban commuters wanting a genuine sportbike experience.
General information | |
| Category | Sport |
| Year | 2021 |
| Model | Aprilia RS 125 GP Replica |
Engine and Transmission Specifications | |
| Emission details | Euro 4 |
| Greenhouse gases | 62.9 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Fuel consumption | 2.71 litres/100 km (36.9 km/l or 86.80 mpg) |
| Driveline | Primary drive: Gearbox: 63/19 (3.31). Final drive: Chain: 17/40 (2.35). |
| Clutch | Multi-plate in oil bath. |
| Transmission type | Chain (final drive) |
| 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 | 10.9 Nm (1.1 kgf-m or 8.0 ft.lbs) @ 8250 RPM |
| Power | 15.0 HP (10.9 kW) @ 10500 RPM |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 124.2 ccm (7.58 cubic inches) |
| | |
Brakes, suspension, Frame and wheels | |
| Wheels | 6 split spoke wheel rim in lightweight alloy |
| Rear brakes | Single disc. Single piston |
| Diameter | 300 mm (11.8 inches) |
| Front brakes | Single disc. ABS. Stainless steel disc with radial 4 piston calliper. |
| Rear tire | 130/70-R17 |
| Front tire | 100/80-R17 |
| Rear wheel travel | 120 mm (4.7 inches) |
| Rear Suspension | Asymetric swingarm. Hydraulic monoshock with adjustable spring preload. |
| Front wheel travel | 110 mm (4.3 inches) |
| Front Suspension | 41mm Upside down hydraulic fork |
| Frame type | Aluminium perimeter |
| | |
Physical measures and capacities | |
| Reserve fuel capacity | 4.00 litres (1.06 US gallons) |
| Fuel capacity | 14.50 litres (3.83 US gallons) |
| Wheelbase | 1353 mm (53.3 inches) |
| Overall width | 760 mm (29.9 inches) |
| Overall length | 1968 mm (77.5 inches) |
| Overall height | 1135 mm (44.7 inches) |
| Seat height | 820 mm (32.3 inches) If adjustable, lowest setting. |
| Power/weight ratio | 0.1163 HP/kg |
| Weight incl. oil, gas, etc | 144.0 kg (317.5 pounds) |
| Dry weight | 129.0 kg (284.4 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Comments | Aprilia Mia (multimedia platform) predisposition. |
| Starter | Electric |
| Color options | Black/silver/red/green (GP Replica) |
Performance Profile & Rider Fit
14.8 hp
Peak Power
12.5s
0-60 mph
Best For
Track65%
City78%
Cornering85%
Daily Riding55%
Touring25%
Passenger20%
Rider Profile
| Best For | Ideal for new or younger riders, including learner-legal license holders, taking their first steps into sportbike riding. |
| Purpose | Built for sharp, playful cornering and sporty commuting rather than outright speed, thanks to its featherweight chassis and small-capacity engine. |
| Rider Fit | Its light weight and compact dimensions make it very manageable for smaller or less experienced riders, though the 820 mm seat height demands reasonable leg length. |
| Character | A miniature GP-styled sportbike that rewards revving the engine hard and flicking through corners rather than relying on raw power. |
| Not Ideal For | Not suited to riders wanting strong highway overtaking power, long-distance touring comfort, or two-up riding. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
Rider Reviews
Total comments: 1

MotorcycleDB Review
The 2021 Aprilia RS 125 GP Replica is a stunning and powerful motorcycle that delivers an authentic racing experience. With its sleek design and powerful engine, this bike is sure to turn heads on the road. The attention to detail in replicating the aesthetics of a Grand Prix racing bike is truly impressive. The 2021 Aprilia RS 125 GP Replica is a top choice for motorcycle enthusiasts who want both performance and style. The 2021 Aprilia RS 125 GP Replica features a 125cc engine that delivers impressive power and acceleration. With its responsive handling and advanced suspension system, this motorcycle offers a thrilling ride for riders of all levels. The replica design pays homage to Aprilia's racing heritage, making it a must-have for fans of the brand. Overall, the 2021 Aprilia RS 125 GP Replica is a high-performance motorcycle that offers an exhilarating riding experience for those who appreciate speed and style.Add a Comment
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