2026 Aprilia RS 660 Factory First Look: A Potent Middleweight Sportbike, Refined

The 2026 Aprilia RS 660 Factory sits at the top of the Italian manufacturer’s middleweight sportbike range, combining the standard RS 660’s lightweight platform with upgraded suspension and distinctive styling. Positioned below the larger RSV4 superbikes, the Factory brings premium chassis equipment to Aprilia’s 659cc twin-cylinder platform. It also carries forward the aerodynamic and electronic improvements introduced with the updated RS 660 range.

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With a starting MSRP of $14,149, the RS 660 Factory commands a $2,300 premium over the standard RS 660. The main attraction is its fully adjustable Öhlins suspension, alongside exclusive graphics that distinguish it from the regular model. Both motorcycles share the same engine, aluminum chassis, and extensive electronics package, making the Factory an equipment-focused upgrade rather than a higher-output variant.

A Proven Twin With More Power Than Before

Powering the RS 660 Factory is Aprilia’s liquid-cooled, 659cc parallel-twin engine, featuring four valves per cylinder, electronic throttle control, and a six-speed transmission. It produces 105 horsepower at 10,400 rpm and 51.6 pound-feet of torque at 8,400 rpm. A slipper clutch and bidirectional quick shifter complete the drivetrain, allowing clutchless upshifts and downshifts.

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The engine belongs to Aprilia’s 660 family, developed using architecture derived from its RSV4 engine program. The most recent major update arrived for 2025, when Aprilia increased output from 100 to 105 horsepower through larger 52mm throttle bodies replacing the previous 48mm units. That specification continues into 2026, with the Factory delivering the same output as the standard RS 660.

The Factory Treatment Is All About The Suspension

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The biggest mechanical distinction comes from the suspension. While the standard RS 660 uses a 41mm Kayaba inverted fork, the Factory receives a 43mm Öhlins NIX inverted fork and an Öhlins STX 46 rear monoshock with an integrated reservoir. Both ends offer adjustable spring preload, compression damping, and rebound damping, providing more options for configuring the motorcycle for different riding conditions.

Front suspension travel measures 4.7 inches, while the rear provides 5.1 inches. The twin-spar aluminum frame remains unchanged, with the engine serving as a stressed structural member. Aprilia quotes a wet weight of 403.4 pounds, a seat height of 32.3 inches, and a fuel capacity of 3.96 gallons. These figures match the standard RS 660, meaning the upgraded suspension doesn’t increase the claimed weight.

Premium Hardware Paired With A Sharp Chassis

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Stopping power comes from dual 320mm floating front discs paired with radially mounted Brembo four-piston calipers. A single 220mm rear disc handles braking at the back, while metal-braided brake lines are standard. The system is supported by cornering ABS and rear-wheel lift mitigation, adding electronic assistance under braking without changing the mechanical arrangement.

The bike rolls on 17-inch cast-aluminum wheels, measuring 3.5 inches wide at the front and 5.5 inches at the rear. Tire sizes are 120/70-ZR17 and 180/55-ZR17, respectively. Aprilia retains the RS 660’s established chassis configuration, concentrating the Factory’s mechanical upgrades on suspension adjustability.

Electronics That Go Beyond The Usual Middleweight Fare

Aprilia

Aprilia equips the RS 660 Factory with a six-axis IMU, allowing its electronic systems to monitor motorcycle movement and lean angle. The package includes adjustable traction control, wheelie control, engine-braking management, launch control, and cornering ABS. Five riding modes provide different combinations of electronic settings, allowing riders to configure the bike for road or track use.

Would-be owners will also find cruise control, a five-inch TFT instrument display, backlit handlebar switches, and full LED lighting. Much of this equipment is shared with the standard RS 660, so the Factory doesn’t rely on exclusive electronics to justify its higher price.

Racing-Inspired Aerodynamics Carry Over

Aprilia

The RS 660 Factory retains the revised fairing introduced with the updated 660 range, incorporating aerodynamic elements developed using Aprilia’s MotoGP experience. A larger wing beneath the windshield works alongside two smaller winglets, while the double-layer side fairings incorporate additional aerodynamic surfaces. According to Aprilia, these changes improve airflow management, high-speed stability, and protection from wind pressure and engine heat.

Exclusive graphics further distinguish the Factory from the standard model. The Shakedown Yellow treatment combines dark bodywork with contrasting yellow accents, giving the premium variant its own visual identity without requiring changes to the underlying bodywork or dimensions.

A Premium Sportbike Without Liter-Bike Money

Aprilia

At $14,149, the 2026 RS 660 Factory targets riders who want a middleweight sportbike with extensive electronics and premium suspension components straight from the showroom. It occupies a distinct position within Aprilia’s lineup, offering more sophisticated chassis equipment than the standard RS 660 while remaining below the larger RSV4 models.

The Factory’s main selling point is its Öhlins hardware. The standard RS 660 already delivers the same horsepower, chassis layout, and core electronics for less money. The Factory builds on that foundation with additional suspension adjustability and distinctive styling, giving buyers a more comprehensively equipped version of Aprilia’s middleweight sportbike.

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Source: Aprilia