
Aprilia RS4 125
Key specifications
Overview
Introducing the 2014 Aprilia RS4 125, a standout contender in the sport motorcycle category that packs a punch in a compact package. Designed for both seasoned riders and those new to the world of two wheels, the RS4 125 merges Italian flair with cutting-edge technology. This agile machine is perfect for navigating busy urban streets or carving through twisty backroads, establishing itself as a favorite for those seeking performance without sacrificing style. With its sleek lines and aggressive stance, the RS4 125 is not just a motorcycle; it's a statement on wheels. At the heart of the RS4 125 is a robust single-cylinder, four-stroke engine that displaces 124.8 ccm, generating an impressive 15 HP at 10,500 RPM. This power, combined with a lightweight chassis weighing just 120 kg (264.6 lbs), results in a thrilling ride that feels nimble and responsive. The engine's 10.9 Nm of torque at 8,250 RPM ensures that every twist of the throttle delivers an exhilarating burst of acceleration, while the 6-speed gearbox allows for smooth shifts, catering to both relaxed cruising and spirited riding. With liquid cooling and an advanced fuel injection system, the RS4 125 maintains optimal performance even in demanding conditions, making it a reliable companion for any ride. The Aprilia RS4 125 isn’t just about raw power; it’s equipped with a host of features that elevate the riding experience. The aluminum perimeter frame enhances rigidity and stability, while the front upside-down hydraulic fork and rear monoshock suspension ensure excellent handling and comfort on various road surfaces. The braking system is equally impressive, featuring a 300 mm stainless steel disc with a radial 4-piston caliper up front, providing exceptional stopping power. Additionally, the RS4 125 comes with a modern electronic ignition and an adjustable spring preload for the rear suspension, allowing riders to tailor their setup to their preferences. Coupled with its sleek design available in eye-catching black or vibrant yellow, this motorcycle is as much a visual feast as it is a performance machine. **
Pros
- Agile Handling: Lightweight design combined with advanced suspension offers superb maneuverability, perfect for urban riding and twisty roads.
- Performance Engine: The powerful single-cylinder engine delivers an exhilarating ride, with a responsive throttle and impressive acceleration.
- Modern Features: Equipped with advanced technology such as fuel injection and an electronic ignition system, enhancing reliability and performance.
Cons
- Limited Torque for High-Speed: While the engine is exciting in lower RPMs, it may struggle to deliver power at higher speeds compared to larger displacement bikes.
- Comfort for Long Rides: The sport-oriented ergonomics may become uncomfortable on longer journeys, especially for taller riders.
- Niche Market: As a 125cc sportbike, it may not appeal to those seeking a more powerful touring or cruiser experience.
Technical details
Source specification data
- Make
- Aprilia
- Model
- RS4 125
- Category
- Sport
- Starter
- Electric
- Color Options
- Black, yellow
- 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, 40 mm.
- Rear Wheel Travel
- 122 mm (4.8 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)