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2025 Aprilia® RS 660

The 2026 Aprilia RS 660 boasts a 659cc parallel twin engine, delivering 105 horsepower and 70 Nm of torque. It features a twin-spar aluminum frame, Kayaba suspension (adjustable rebound and preload), and Brembo brakes (dual 320mm front discs). The bike also includes advanced electronic features like APRC (Aprilia Performance Ride Control) and a 5-inch TFT dashboard.
Engine:
Parallel twin, 4 valves per cylinder, liquid-cooled.
Displacement: 659 cc.
Max power: 105 hp (77.2 kW) @ 10,400 rpm.
Max torque: 70 Nm @ 8,400 rpm.
Chassis and Suspension:
Twin spar aluminum frame.
Front suspension: Kayaba 41mm USD fork, adjustable rebound and preload.
Rear suspension: Kayaba monoshock, adjustable rebound and preload.
Brakes:
Front: Double Ø 320 mm floating disc, Brembo radial calipers.
Rear: Ø 220 mm disc, Brembo caliper.