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Aprilia RS4 125 Replica
2018Sportbike

Aprilia RS4 125 Replica

Key specifications

Engine
125 cc
Power
15 HP
Torque
11 Nm
Fuel type
petrol
Fuel capacity
3.8 L
Transmission
6-speed
Seat height
32 mm
Front brakes
Single disc. Stainless steel disc with radial 4 piston calliper
Rear brakes
Single disc. Single 30 mm piston

Overview

Introducing the 2018 Aprilia RS4 125 Replica, a striking embodiment of the iconic Italian brand's racing heritage. Positioned as an entry-level sportbike, the RS4 125 captures the essence of performance and style, making it an ideal choice for young riders eager to carve their path on the open road. With its aggressive lines, vibrant color options, and eye-catching graphics, this motorcycle not only turns heads but also delivers a thrilling riding experience that hails from Aprilia's rich motorsport lineage. At the heart of the RS4 125 Replica lies a spirited 124.8 ccm single-cylinder, four-stroke engine that produces a commendable 15 HP at a high-revving 10,500 RPM. This power is complemented by a torque of 10.90 Nm at 8,250 RPM, ensuring nimble acceleration that keeps the ride exhilarating. The bike's 6-speed gearbox allows for smooth transitions through the gears, letting riders experience the full potential of its performance. With a liquid-cooling system and a compression ratio of 12.5:1, the RS4 maintains efficient thermal management, enabling riders to push their limits while enjoying the ride. The lightweight frame, weighing in at just 120 kg, combined with the agile handling characteristics, makes the RS4 125 a joy to maneuver, whether on city streets or winding country roads. The RS4 125 is packed with advanced features that enhance both performance and rider confidence. Its aluminum perimeter frame provides exceptional rigidity while keeping the weight low, contributing to agile handling. The front suspension consists of an upside-down hydraulic fork, ensuring precise steering and stability, while the rear features an asymmetrical swingarm with an adjustable hydraulic monoshock, offering tailored comfort for various riding styles. Additionally, the braking system is top-notch, featuring a 300 mm stainless steel disc with a radial 4-piston caliper up front, delivering impressive stopping power. The bike's sleek design houses an electric starter and an advanced fuel injection system managed by a Magneti Marelli ECU, ensuring optimal performance and efficiency. **

Pros

  • Sporty Performance: The RS4 125 delivers impressive acceleration and handling, making it perfect for both new and experienced riders.
  • Lightweight and Agile: Weighing only 120 kg, this motorcycle is easy to maneuver, providing a thrilling ride through tight corners and city traffic.
  • Advanced Features: Equipped with a high-quality braking system and adjustable suspension, the RS4 125 offers riders confidence and control in various riding conditions.

Cons

  • Limited Power for Experienced Riders: While the 15 HP engine is great for beginners, seasoned riders may find it lacking in power for long-distance rides or highway cruising.
  • Seat Height: At 820 mm, the seat may be a challenge for shorter riders, limiting accessibility and comfort for some.
  • Fuel Capacity: With a 14.5-liter tank, the fueling range might not be ideal for extended rides, necessitating more frequent stops for refueling.

Technical details

Source specification data

Make
Aprilia
Model
RS4 125 Replica
Category
Sport
Starter
Electric
Color Options
Black/silver/red/green
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
.
G
ø 32mm
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
760 mm (29.9 inches)
Overall Height
1,135 mm (44.7 inches)
Overall Length
1,968 mm (77.5 inches)
Reserve Fuel Capacity
3.30 litres (0.87 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
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
Asymetric
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
218 mm (8.6 inches)
Front Brakes Diameter
300 mm (11.8 inches)

Available colors

Black/silver/red/green