17 May. Sunday 2026
RS 660 - 2026 Specifications and Reviews
The 2026 Aprilia RS 660 is a middleweight sport bike designed for riders seeking an accessible yet capable performance machine. Its 659cc parallel-twin engine delivers 100 horsepower with a friendly powerband, making it equally suited for track days and spirited road riding. Known for sharp handling, lightweight agility, and modern electronics, the RS 660 offers premium sportbike character without overwhelming complexity or weight.
2026
General information | |
| Color Options | Acid gold, Tribute purple, Racing black |
| Category | Sport |
| Model | Aprilia RS 660 |
Engine and Transmission Specifications | |
| Starting | Electric |
| Emission Details | Euro 5 |
| Emission | 94.7 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Fuel Consumption | 4.08 litres/100 km (24.5 km/l or 57.65 mpg) |
| Clutch | Multi-plate wet clutch with mechanical slip system |
| Final Drive | Chain (final drive) |
| Gearbox | 6-speed |
| Cooling System | Liquid |
| Fuel Control | Double Overhead Cams/Twin Cam (DOHC) |
| Induction | Injection. Airbox with front dynamic air intakes, two Ø48-mm throttle bodies |
| Valves Per Cylinder | 4 |
| Bore x Stroke | 81.0 x 63.9 mm (3.2 x 2.5 inches) |
| Compression Ratio | 13.5:1 |
| Max Torque | 67.0 Nm (6.8 kgf-m or 49.4 ft.lbs) @ 8500 RPM |
| Max Power | 100.0 HP (73.0 kW)) @ 10500 RPM |
| Engine Details | Forward facing cylinders |
| Capacity | 659.0 ccm (40.21 cubic inches) |
| | |
Physical measures and capacities | |
| Fuel Capacity | 15.00 litres (3.96 US gallons) |
| Wheelbase | 1370 mm (53.9 inches) |
| Seat Height | 820 mm (32.3 inches) If adjustable, lowest setting. |
| Power/Weight Ratio | 0.5917 HP/kg |
| Wet Weight | 183.0 kg (403.4 pounds) |
| Dry Weight | 169.0 kg (372.6 pounds) |
| | |
RS 660 dimensions and frame | |
| Rear Brakes | Single disc. ABS. Brembo. |
| Brake Disc Diameter | 220 mm (8.7 inches) |
| Front Brakes | Double disc. ABS. Brembo |
| Rear Tyre | 180/55-ZR17 |
| Front Tyre | 120/70-ZR17 |
| Rear Wheel Travel | 130 mm (5.1 inches) |
| Rear Suspension | Aluminium asymmetric swingarm. Adjustable monoshock in spring reload, rebound braking |
| Front Wheel Travel | 120 mm (4.7 inches) |
| Front Suspension | Kayaba 41-mm stanchion fork, aluminium radial calliper mounting bracket. Adjustable spring preload and rebound damping. |
| Trail | 104 mm (4.1 inches) |
| Frame | Aluminium dual beam chassis with removable seat support subframe |
Speed and acceleration | |
| Top Speed | 235.0 km/h (146.0 mph) |
Other specs | |
| Related bikes | List related bikes for comparison of specs. |
| Ask questions | Join the 25 Aprilia RS 660 discussion group or the general Aprilia discussion group. |
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
| Insurance costs | Compare US insurance quotes from the nation's top providers. |
| Update specs | Report missing specs or required updates. |
| Comments | 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) |
| Lighting | Triple-LED head light |
| Instruments | Digital, color |
| Rake (fork angle) | 24.1° |
| Driveline | Drive ratio: 17/43 |
| Engine type | Twin, four-stroke |
| Model year | 2025 |
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