
Aprilia RS4 125 Replica
Key specifications
Overview
Introducing the 2015 Aprilia RS4 125 Replica—a motorcycle that embodies the spirit of sport riding in an accessible, compact package. Designed for both novice and experienced riders, the RS4 125 offers the perfect blend of performance and style, making it a standout option in the lightweight sport category. With its sharp lines and race-inspired aesthetics, this bike isn't just about looks; it's engineered to deliver an exhilarating riding experience that pays homage to Aprilia's rich racing heritage. Whether you're navigating city streets or carving through twisty backroads, the RS4 125 promises an engaging ride that will leave you craving more. At the heart of the RS4 125 Replica lies a potent single-cylinder, four-stroke engine, displacing 124.80 cc and producing a lively 15 HP at a thrilling 10,500 RPM. This spirited powerplant is coupled with a 6-speed gearbox, allowing for smooth and responsive acceleration, ideal for both urban commuting and spirited weekend rides. The engine's impressive torque of 10.90 Nm at 8,250 RPM ensures that riders can enjoy a robust power delivery across the rev range, while the advanced fuel injection system enhances efficiency and performance. With a lightweight chassis weighing in at just 120 kg, the RS4 125 feels agile and nimble, making every twist of the throttle an invitation to explore the limits of its capabilities. What sets the Aprilia RS4 125 apart from its competitors is its sophisticated technology and thoughtful design. The aluminum perimeter frame provides exceptional rigidity and stability, while the upside-down hydraulic front fork and adjustable rear monoshock suspension ensure a smooth ride regardless of road conditions. The powerful braking system—featuring a 300 mm stainless steel disc with a radial 4-piston caliper up front—offers precise stopping power, giving riders confidence even in demanding scenarios. Additionally, the RS4 125 features a sleek digital display that keeps essential information at your fingertips, ensuring you stay focused on the road ahead. **
Pros
- Lightweight and Agile: Weighing only 120 kg, the RS4 125 is incredibly responsive, making it an excellent choice for both city riding and spirited corners.
- High-Performance Engine: The single-cylinder engine delivers impressive power and torque, ensuring a thrilling ride for both new and seasoned riders.
- Advanced Suspension and Braking: Equipped with top-tier suspension components and a robust braking system, the RS4 125 provides outstanding handling and safety.
Cons
- Limited Power for Highway Use: While perfect for city and backroad riding, the 15 HP may not be sufficient for sustained highway cruising.
- Narrow Seat Comfort: The seat height may be a challenge for shorter riders, and the narrow design can become uncomfortable over longer rides.
- Single Cylinder Vibration: Some riders may experience noticeable vibrations from the single-cylinder engine, especially at higher RPMs.
Technical details
Source specification data
- Make
- Aprilia
- Model
- RS4 125 Replica
- Category
- Sport
- Starter
- Electric
- Color Options
- Red
- Power
- 15.00 HP (10.9 kW)) @ 10500 RPM
- Clutch
- Multi-plate in oil bath.
- Torque
- 10.90 Nm (1.1 kgf-m or 8.0 ft.lbs) @ 8250 RPM
- Ignition
- Electronic with CDI capacity discharge
- Driveline
- Primary
- drive:
- Gearbox
- : 63/19 (3.31).
- Final
- drive:
- Chain
- : 17/40 (2.35).
- Fuel System
- Injection
- Bore X Stroke
- 58.0 x 47.0 mm (2.3 x 1.9 inches)
- Compression
- 12.5:1
- Displacement
- 124.80 ccm (7.62 cubic inches)
- Cooling System
- Liquid
- Engine Details
- Single cylinder, four-stroke
- Emission Details
- Euro 3
- Lubrication System
- Wet sump
- Valves Per Cylinder
- 4
- Transmission Type Final Drive
- Chain
- Seat Height
- 820 mm (32.3 inches) If adjustable, lowest setting.
- Fuel Capacity
- 14.50 litres (3.83 gallons)
- Overall Width
- 740 mm (29.1 inches)
- Overall Height
- 1,138 mm (44.8 inches)
- Overall Length
- 1,955 mm (77.0 inches)
- Reserve Fuel Capacity
- 3.50 litres (0.92 gallons)
- Weight Incl Oil Gas Etc
- 120.0 kg (264.6 pounds)
- Wheels
- Light alloy with 6 split spokes
- Rear Tyre
- 130/70-R17
- Frame Type
- Aluminium perimeter frame
- Front Tyre
- 110/80-R17
- Rear Brakes
- Single disc. Single 30 mm piston
- Front Brakes
- Single
- disc.
- Stainless
- steel disc with radial 4 piston calliper
- Rear Suspension
- Swingarm
- .
- Hydraulic
- monoshock with adjustable spring preload.
- Front Suspension
- Upside down hydraulic fork
- Rear Wheel Travel
- 130 mm (5.1 inches)
- Front Wheel Travel
- 110 mm (4.3 inches)
- Rear Brakes Diameter
- 220 mm (8.7 inches)
- Front Brakes Diameter
- 300 mm (11.8 inches)