The Aprilia Tuono V4 on the race track, showing off its insane power
The Aprilia Tuono V4 on the race track, showing off its insane power|Aprilia Tuono V4 X
Bike News

Aprilia debuts the Tuono V4 X

With a power to weight ratio of 1307bhp/tonne, the V4 X is one of the most insane hypernakeds on planet earth

George Dcruze

After dropping jaws with the RSV4 X thanks to its maddening power-to-weight ratio of 1339bhp per tonne, Aprilia has now debuted the Tuono V4 X with similar specifications. The Tuono V4 X makes 217bhp, four less than the RSV4 X, and has a kerb weight of 166kg, one more than the fully-faired bike. This has resulted in a slightly lower, but still almost equally insane power-to-weight ratio of 1307bhp per tonne.

MotoGP rider Aleix Espargaro testing the Tuono V4 X on the track
MotoGP rider Aleix Espargaro testing the Tuono V4 X on the trackAprilia Tuono V4 X

Aprilia revealed the Tuono V4 X on their Instagram handle this Saturday, citing that it uses Grand Prix materials throughout the motorcycle's machinery. Just like the RSV4 X, of which the company produced only ten motorcycles, it will be a track-only machine and limited to low double-digit numbers.

A close up of the front end of the Tuono V4 X
A close up of the front end of the Tuono V4 XAprilia Tuono V4 X

Aprilia has treated the Tuono with the same formula as its fully faired sibling – reduce weight and crank up the power to the max. While the basic structure of the body panels remains unchanged from the standard production Tuono V4, a slew of lightweight race parts have been used to achieve the feat that the Tuono V4 X is. The clutch and brake levers, along with the crankcase guard, footrests and fuel cap have been crafted out of billet aluminium. The Marchesini rims have been forged out of magnesium by Noale. Finishing it off is a titanium and carbon fibre full-system exhaust made by Akrapovic, which enhances the power and sound of the motorcycle.

The light-weight Marchesini rims, made from magnesium
The light-weight Marchesini rims, made from magnesium Aprilia Tuono V4 X
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