Ducati Monster S4 R 2006 — Specifications

Who said that a motorcycle with character had to necessarily weigh a ton and hide its game under full fairings? In 2006, Ducati responded with the Monster S4 R, a declaration of war against overly tame roadsters. They took the engine from the 996, the very same that screamed under the tanks of the Bostrom-era Panigale, and grafted it into a stripped-down trellis frame. The result? A concentrated 113 horsepower and 95 Nm of torque, housed in a chassis proudly asserting its 193 kilograms dry weight. It’s the kind of promise you first hear with your ears: the 90° L-twin extends well beyond the frame, accompanied by two close-set silencers and a magnificent single-sided swingarm, unfortunately marred by the presence of a consensual ugliness of a catalytic converter.

On winding asphalt, the S4 R confirms its temperament of a leashed wildcat. It inherits the nervous agility of the Monster, that liveliness in changing direction with a counter-steer, but with a power that transforms each exit from a corner into a catapult. The inverted Showa fork and the rear shock absorber swallow the asphalt seriously, even if, once leaned over, you would have liked a little more stability in the middle of the curve. It’s not a vicious defect, rather a raw translation of its intentions: this motorcycle is not here to flatter, but to transmit. And what it transmits, via its handlebar and seat at 803 mm high, is a furious desire to accelerate.

Fortunately, to channel this rage, Ducati called on the best: Brembo four-piston calipers bite down on 320 mm discs with remarkable progressiveness, far superior to that of the Monster 1000 of the time. The slightly forward-leaning position is perfectly suited to sporty riding, even if the Italian character persists in details such as the hydraulic clutch, still as demanding to operate. But it is on the straightaways and at higher revs that the beast reveals its true nature. Beyond 7000 rpm, the engine transforms, delivering a much meaner and raspier surge than that of its little sister, the S4. The 15-liter tank then seems rather small to contain its ambitions.

So, who is this machine for? Certainly not for a beginner, nor even for a touring rider seeking comfort. The S4 R is for the track rider who refuses the tucked position of a full-on sportbike, the aesthete who wants to hear its engine live every day, the enthusiast ready to accept its quirks in exchange for pure sensations. At nearly 12,500 euros at its launch, it positioned itself as a raw and charming alternative to overly polished Japanese bikes. Its finish is nothing exceptional, but the spirit remains intact: it’s an adrenaline distributor, without filter or compromise. A roadster that hasn’t forgotten that a Monster must first and foremost bite.