Aprilia RS 125 2011 — Specifications

When we talk about the Aprilia RS 125, we’s talking about an object in its own right in the landscape of 125 sportbikes. Since the 1990s, each generation of this little Italian has served as a learning ground for thousands of future riders, and the 2010 version does not break with this tradition. What immediately strikes you is the aesthetic consistency of the Aprilia RS 125 fairing, clearly inspired by the large GSV-R superbikes. You don't play in the big leagues by chance when you display this type of line on the handlebars of a 125.

Under this sleek bodywork lies an Aprilia RS 125 two-stroke single-cylinder engine with a displacement of 124.8 cc, faithful to the philosophy that made the Noale brand famous. This little engine develops 24.5 horsepower at 10,000 rpm, with a torque of 17 Nm available at 9,750 rpm. These figures don't look impressive on paper, but on the road they translate into an engine that demands to be worked, warmed up, pushed to its limits to deliver its best. It is precisely this that differentiates the Aprilia RS 125 2T from a 125 four-stroke: here, the rider must learn to manage the powerband, anticipate changes in engine speed, understand the mechanics. A tough school, but an effective one.

The maximum speed of the Aprilia RS 125 is capped at 135 km/h, which corresponds to what is expected of a machine restricted for the A1 license. Those looking for the Aprilia RS 125 unrestricted maximum speed in full power 34 hp already know that the potential of the Aprilia RS 125 2T engine goes far beyond the legal framework. But as it stands, the machine remains perfectly usable on open roads, and honestly more interesting to ride than a Kawasaki Ninja 125 or a Honda CBR 125R, whose four-stroke engines are more accessible but noticeably less engaging. The chassis, a thin-walled cast aluminum perimeter double cradle with reinforcing ribs, offers serious torsional rigidity for a machine of this displacement. The wheelbase of 1,345 mm contributes to reassuring stability, without ever weighing down changes of direction.

The suspension operates in a higher category than what the segment usually justifies. The 40 mm diameter inverted fork, with 120 mm of travel, absorbs hard braking without complaint. The rear mono-shock benefits from a spring preload adjustment, allowing the motorcycle to be adapted to different rider builds. Radial braking, with its 320 mm disc at the front and four-piston caliper, provides bite and modulation that far exceed the usual standards of a 125. For a young rider in training, having access to this level of feel at the lever is a real pedagogical added value.

At €5,799 in catalog price, the Aprilia RS 125 price is in the upper end of the segment range. Direct competition, notably the Derbi GPR 125 or the Yamaha YZF-R 125, offers slightly lower prices. But the Aprilia RS 125 used market remains particularly active, and Aprilia RS 125 used listings on the classifieds are plentiful for those looking for a well-maintained example. Aprilia RS 125 parts are accessible, the Aprilia RS 125 graphics kit is easily found, and the community of preparers has been well established for years. This motorcycle is unequivocally aimed at young sporty riders who want to learn quickly and well, without settling for a comfortable but characterless machine. It forgives less than its four-stroke rivals, but it trains better.