Aprilia has called in help from its MotoGP engineers to develop a lighter and faster, track-only version of its Tuono naked bike, dubbed Tuono X.

The Aprilia Tuono X naked bike, which follows in the footsteps of last year’s RSV4 X, is so named for its limited production run of just ten units.

Aprilia prices the ‘hyper-hypernaked’ from €34,900, which translates to about $56,405 in local money, however, overseas reports suggest that all ten bikes have already been spoken for.

Aprilia Tuono X
The new Aprilia Tuono X weighs just 166 kilograms.

As a track-only prospect, the Tuono X does away with lights and mirrors in favour of slick racing tyres and a large wing that looks to have been directly borrowed from the Aprilia RS-GP MotoGP machine.

The naked racer also drops weight from 185kg to 166kg (dry), thanks in part to new carbon-fibre components, Marchesini wheels, a new fuel tank and an Akrapovic exhaust system.

While exact outputs have not been confirmed, the Aprilia Tuono X does benefit from a beefier engine map, which likely unleashes a few more ponies than the standard bike’s 129kW/121Nm rating.

Aprilia Tuono X and Aleix Espargaro
MotoGP rider Aleix Espargaro with the Aprilia Tuono X.

After riding the Tuono X on track, Aprilia MotoGP rider Aleix Espargaro described the experience as “spatial”.

“I had never tried a bike with high handlebars on the track and I was surprised by the feeling of stability,” he said.

“The engine is crazy, but the chassis does not go into crisis, on the contrary: the driving position and electronics make it extremely fun. You can drive it cleanly, but you can also put it sideways.

“She is a pure sportswoman with a thug side.”

Aprilia Tuono Factory
The production Aprilia Tuono V4 is available in uprated Factory guise.

The production Aprilia Tuono V4 1100, which received its last significant update in 2017, is available in RR and Factory guises, as is its fully faired RSV4 sibing.

Powering the Tuono is a 1077cc V4, which is backed up by a comprehensive electronics suite including traction control, wheelie control, cruise control and a speed limiter.

An Ohlins steering damper and Sachs suspension is standard, as are Brembo brakes with discs measuring 330mm at the front, and a 220mm setup at the rear.

Opting for the Tuono Factory variant brings premium kit like full electronic adaptive Ohlins suspension, among other upgrades.

RS 660
Aprilia is expected to launch its RS 660 middleweight sportsbike next year.

While Aprilia Australia currently only offers two models, the RSV4 and the Tuono V4, it is expected to expand its range with the new RS 660 middleweight.

The RS 660 is a fully faired sportsbike, powered by a 660cc parallel-twin delivering 98 horsepower (73kW).

With that kind of output, and a dry weight of just 169 kilograms, it will surely be spritely, and handling is bolstered by adjustable Kayaba suspension, a double aero fairing, and an asymmetrical swingarm.

It also features high-end electronics including cornering ABS and traction control, a bi-directional quickshifter, five riding modes, cruise control, engine braking and wheelie control.

The electronics suite is managed on a full-colour TFT dash which supports smartphone connectivity.

This new platform will give birth to other models including a naked RS 660 Tuono version, which is expected to launch next year, while LAMS-approved variants may also be on the cards.

Aprilia Tuono X

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