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Aprilia RS4 125
2017Sportbike

Aprilia RS4 125

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 2017 Aprilia RS4 125, a standout in the sport motorcycle category that perfectly blends performance with style. Designed for both new riders and seasoned enthusiasts alike, this bike embodies the essence of Aprilia’s racing heritage while catering to the demands of urban commuting. With its sleek lines and aggressive stance, the RS4 125 not only captures attention but also delivers a thrilling ride that is both agile and responsive. Whether navigating through city streets or tackling twisty back roads, this motorcycle is engineered to provide a superb balance of comfort and performance. At the heart of the RS4 125 lies a spirited 124.80 ccm single-cylinder, four-stroke engine that produces a peppy 15 HP at 10,500 RPM and a torque of 10.90 Nm at 8,250 RPM. This potent power plant is paired with a smooth 6-speed gearbox, allowing riders to experience a seamless transition through gears while maintaining an exhilarating pace. The advanced liquid cooling and electronic CDI ignition systems ensure that the engine runs efficiently and reliably, making it perfect for both spirited rides and daily commutes. The bike's lightweight chassis, weighing just 120 kg, enhances its maneuverability, allowing it to carve corners with precision and confidence. The 2017 RS4 125 is packed with features that elevate the riding experience. The aluminum perimeter frame not only contributes to the bike's low weight but also provides exceptional rigidity, ensuring stability at high speeds. Up front, the upside-down hydraulic fork with 40 mm diameter offers 110 mm of travel for improved handling, while the rear asymmetric swingarm with a monoshock provides 120 mm of travel for a smooth ride over bumps. High-performance braking is assured with a 300 mm stainless steel disc and a 4-piston caliper at the front, complemented by a reliable single disc at the rear. With a fuel capacity of 14.5 liters, riders can expect extended journeys without frequent stops at the pump. In summary, the 2017 Aprilia RS4 125 is a thrilling sportbike that caters to both new riders and those seeking a spirited, lightweight machine for urban adventures. With its responsive engine, sophisticated suspension, and striking design, it’s a compelling option for anyone looking to experience the joy of motorcycling.

Pros

  • Lightweight and Agile: At just 120 kg, the RS4 125 delivers nimble handling and quick acceleration.
  • High-Performance Braking: The advanced braking system enhances stopping power and rider confidence, especially in sport riding scenarios.
  • Stylish Design: The aesthetics of the RS4 125 are striking, with a modern look that appeals to a wide range of riders.

Cons

  • Limited Power for Experienced Riders: While excellent for beginners, more experienced riders may find the 15 HP limiting for aggressive riding.
  • Seat Height: At 820 mm, the seat height might be a challenge for shorter riders, potentially affecting comfort and control.
  • Single-Cylinder Vibration: Though manageable, the single-cylinder engine can produce noticeable vibrations at higher RPMs, which may not appeal to all riders.

Technical details

Source specification data

Make
Aprilia
Model
RS4 125
Category
Sport
Starter
Electric
Instruments
Analogue
/digital multifunction dashboard with
D
display
Color Options
Black/red, silver/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 4
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 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
130/70-17
Frame Type
Aluminium perimeter frame
Front Tyre
110/80-17
Rear Brakes
Single disc. Single 30 mm piston
Front Brakes
Single
disc.
Stainless
steel disc with radial 4 piston calliper
Rear Suspension
Asymmetric swingarm with monoshock
Front Suspension
Upside down hydraulic fork, 40 mm.
Rear Wheel Travel
120 mm (4.7 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/redsilver/red