Aprilia RS4 125 2011 - Specifications & Review

Introducing the 2011 Aprilia RS4 125, a motorcycle that encapsulates the spirit of sport riding while catering to new and seasoned riders alike. Positioned as an entry-level sportbike, the RS4 125 is designed to deliver an exhilarating experience within a lightweight frame, making it an ideal choice for those looking to explore the world of performance motorcycles without overwhelming power. With its aggressive styling, inspired by the larger Aprilia models, this bike not only turns heads but also instills confidence in its riders, paving the way for thrilling adventures on both city streets and winding backroads.

At the heart of the RS4 125 lies a spirited single-cylinder, four-stroke engine, boasting a displacement of 124.80 cc that produces an impressive 16.04 horsepower. This engine is engineered with a high compression ratio of 12.5:1, allowing for quick acceleration and a lively throttle response. The 6-speed gearbox ensures smooth gear changes, giving riders the ability to tap into the bike's performance potential while maintaining control. Combined with its lightweight design—tipping the scales at just 120 kg—this motorcycle offers nimble handling and agility, making it a joy to ride around tight corners or during spirited sprints.

The RS4 125 is not just about raw power; it’s also equipped with an array of features that enhance both safety and comfort. The aluminum single cradle frame is not only lightweight but also provides exceptional rigidity, contributing to the bike's precise handling characteristics. The front suspension features a 40 mm upside-down hydraulic fork, while the rear is equipped with a hydraulic monoshock, adjustable for spring preload, allowing riders to fine-tune their ride quality based on personal preference. Stopping power is assured with a robust braking system comprising a 300 mm front disc and a 220 mm rear disc, ensuring that the RS4 125 can handle any situation with confidence. Additionally, with a fuel capacity of 14.5 liters, riders can enjoy longer rides without the constant worry of refueling.

Pros:

1. Lightweight and Agile: Weighing only 120 kg, the RS4 125 offers excellent maneuverability, making it perfect for city riding and twisty roads.
2. Sporty Design: The aggressive styling of the RS4 125 reflects its performance-oriented nature, drawing inspiration from Aprilia's racing heritage.
3. Advanced Suspension: The high-quality suspension components provide a smooth and responsive riding experience, enhancing both comfort and performance.

Cons:

1. Limited Power for Experienced Riders: While the RS4 125 is perfect for newcomers, more experienced riders may find the power output on the lower side for aggressive riding.
2. Seat Height: At 820 mm, the seat height may be challenging for shorter riders, potentially affecting comfort and control.
3. Fuel Injection Sensitivity: The fuel injection system, while efficient, may require some tuning for those looking to optimize performance for specific riding conditions.

In summary, the 2011 Aprilia RS4 125 is a fantastic entry point into the world of sport biking, offering a perfect blend of style, performance, and technology. Whether you’re a novice looking to make your mark or a seasoned rider seeking a lightweight companion, the RS4 125 promises an engaging and exhilarating experience.