2025 Aprilia RS 660Extrema

Motorcycle

ESCAPE FROM CONFORMITY WITH FUN

RS 660 Extrema is the sportiest version among the RS 660 models, featuring a range of racing elements that enhance its dynamic qualities and reduce its dry weight to just 166 kg, setting a new benchmark in the power-to-weight ratio. The “Extrema” suffix unmistakably evokes another exceptional Aprilia from the early '90s: the RS 125 Extrema, one of the most powerful and fastest 125 cc bikes ever made.

Starting at $13,499 MSRP

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Specification

ENGINE

Aprilia parallel twin-cylinder forward facing, 4-stroke, liquid cooled with wateroil radiator and heat exchanger, double overhead camshafts (DOHC) with a silent chain on the right side, four valves per cylinder

BORE X STROKE

81 x 63.93 mm

CAPACITY

659 cc

COMPRESSION RATIO

13.5:1

MAXIMUM POWER

100 hp (73.5 kW) at 10500 rpm

MAXIMUM TORQUE

67.0 Nm (6.83 kg) at 8500 rpm

FUEL SYSTEM

Airbox with front dynamic air intakes, two Ø48-mm throttle bodies, Ride-byWire engine management

IGNITION

Electric

LUBRICATION

Wet sump

GEARS

6 gears with Aprilia Quick Shift (AQS) up and down

CLUTCH

Multi-plate wet clutch with mechanical slip system

SECONDARY DRIVE

Chain, with drive ratio: 17/43

ELECTRONIC CONTROLS

Six-axis inertial platform, APRC package containing ATC (traction control), AWC (wheelie control), AEB (engine braking), AEM (engine maps) and ACC (cruise control). 5 Riding modes (Road and Track, 3 fixed and 2 customisable) Reverse shifting software.

FRAME

Aluminium dual beam chassis with removable seat support subframe

FRONT SUSPENSION

Kayaba 41-mm stanchion fork, aluminium radial calliper mounting bracket. Adjustable spring preload and rebound damping. 120 mm wheel travel.

REAR SUSPENSION

Aluminium asymmetric swingarm. Adjustable monoshock in spring reload, rebound braking. 130-mm wheel travel.

BRAKING SYSTEM

Front ABS: double disc, diameter 320 mm Brembo radial callipers with four Ø32-mm opposing pistons. Radial pump and metal braided brake hose. Rear: Ø220-mm disc; Brembo calliper with two Ø34-mm separate pistons. Pump with integrated tank and metal braided hose Multimap ABS Cornering

WET WEIGHT*

180 kg

The racing spirit intensifies

The Aprilia RS 660 raises the bar yet again. After reinventing the medium-cylinder sports category, the Extrema version shakes things up once more, injecting another healthy dose of sports personality into the mix with an exclusive chequered flag livery and single seat cowl.

Extra features, Extra fun

Among the key latest features is the SC Project exhaust, which combines with a new carbon lower fairing designed especially for this model, along with the front mudguard, also in carbon. And the result? A reduction of an impressive 3 kg compared to the classic Aprilia RS 660. Less weight means more riding fun!

More than appearances alone

The Aprilia RS 660 Extrema also ups the ante when it comes to technology, courtesy of reverse gear software, a great element if you’re not only concerned about aesthetics, but are also looking for a true Racing bike set-up.