Aprilia RS 660 - 2021 Specifications and Reviews
The 2021 Aprilia RS 660 is a middleweight sport bike engineered for riders seeking accessible performance without compromise. Its 659cc twin-cylinder engine produces 100 horsepower with 67 Nm of torque, delivering engaging handling and agility on both road and track. Known for its sharp styling, precise ergonomics, and responsive middleweight character, it bridges the gap between beginner-friendly and serious sportbike capability.
General information | |
| Category | Sport |
| Year | 2021 |
| Model | Aprilia RS 660 |
| | |
Engine and Transmission Specifications | |
| Emission details | Euro 5 |
| Greenhouse gases | 94.7 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Fuel consumption | 4.08 litres/100 km (24.5 km/l or 57.65 mpg) |
| Driveline | 17/43 chain |
| Clutch | Multi-plate wet clutch with mechanical slip system |
| Transmission type | Chain (final drive) |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Fuel system | 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) |
| Top speed | 235.0 km/h (146.0 mph) |
| Torque | 67.0 Nm (6.8 kgf-m or 49.4 ft.lbs) @ 8500 Revolutions">RPM |
| Power | 100.0 Horsepower">HP (73.0 Kilowatt">kW)) @ 10500 Revolutions">RPM |
| Engine type | Twin, four-stroke |
| Capacity: | 659.0 ccm (40.21 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Wheels | Pirelli Diablo Rosso Corsa tires |
| Rear brakes | Single disc. ABS. Brembo. |
| Diameter | 320 mm (12.6 inches) |
| Front brakes | Double disc. ABS. Brembo |
| Rear tire | 180/55-ZR17 |
| Front tire | 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) |
| Rake (fork angle) | 24.1° |
| Frame type | Aluminium dual beam chassis with removable seat support subframe |
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 |
| Weight incl. oil, gas, etc | 183.0 kg (403.4 pounds) |
| Dry weight | 169.0 kg (372.6 pounds) |
Other specs | |
| 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). |
| Light | Triple-LED head light |
| Instruments | Digital, color |
| Starter | Electric |
| Color options | Acid gold, Lava red, Apex black |
Rider Reviews
MotorcycleDB Review
The 2021 Aprilia RS 660 is a stellar addition to the company's lineup. This sporty motorcycle boasts a powerful 660cc parallel-twin engine that delivers impressive performance on the road. With its lightweight and compact design, the RS 660 offers exceptional handling and agility, making it a thrill to ride through twists and turns. The sleek and modern aesthetic of the bike, combined with its advanced electronic features, makes it a top choice for riders looking for a high-performance machine. Overall, the 2021 Aprilia RS 660 is a game-changer in the world of sport motorcycles. Its potent engine, nimble handling, and stylish design set it apart from the competition. Whether you're a seasoned rider or a newcomer to the sport biking scene, the RS 660 is sure to provide an exhilarating and memorable riding experience.Add a Comment
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⚠ Safety Recalls (1)
Aprilia is recalling certain 2021 RS 660 and Tuono 660 motorcycles. The engine crankshaft connecting rod may break due to improper heat-treatment.
Risk: A broken connecting rod can cause a sudden engine stall, increasing the risk of a crash.
Remedy: Dealers will replace the engine, free of charge. Owner notification letters were mailed on July 9, 2021. Owners may contact Aprilia customer service at 1-212-380-4400. Aprilia's number for this recall is PA2ZZQ2107.
Source: NHTSA. View all Aprilia recalls →
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