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2021 Aprilia RS 660 Sports Motorcycle Review Specs Price

The new 2021 Aprilia RS 660 Sports Motorcycle is recently launched as one of the best and highly appreciated motorcycle. It comes with a lightweight frame that offers instant throttle response along with a stylish appearance. The latest electronic package makes the bike ideal to ride on. The overall review of the 2021 Aprilia RS 660 with its price and specification, has been given below.

2021 Aprilia RS 660 Sports Motorcycle – Features and Price

Engine Features

The new 2021 Aprilia RS 660 Sports Motorcycle comes with a powerful inline 4-cylinder powerful parallel-twin engine. It comes with 48 mm of throttle bodies including different intake lengths feed the combustion chamber in the straight-line downdraft style. The overall compression ratio is exceptionally muscular 13.5:1. The robust 270-degree crankshaft offers the feel and sound of a 90-degree V-twin better than 2020 Aprilia RS 660. The overall dimension of the engine is very compact, with the back of the cases doubling as the swingarm pivot point.

2021 Aprilia RS 660 Sports Motorcycle

Although the engine features plenty of torque, and it does not require excessive rpm to offer power. It can quickly produce a minimum of 80 percent of its maximum torque of nearly 50 ft-lbs from 4000 rpm to the 11,500 rpm redline. From 6250 rpm to the redline, at least 90 percent of the peak torque is on tap, which means that the engine will pull hard from virtually any speed.

The engine can provide excellent throttle response at a nearly linear rate from 3000 rpm to its peak at 10,500 rpm. Furthermore, the six-speed transmission comes standard with an up/down quick shifter and there are five different riding modes, three for street and two for track use comes standard in the bike.


The new 2021 Aprilia RS 660 Sports Bike comes with the latest electronic package to ensure a fantastic riding experience; some of the available choices are given below;

  • Traction control: 8 levels
  • Power delivery: 3 levels
  • Engine braking: 3 levels
  • Cornering ABS: 3 levels
  • Cruise control: Continuously variable
  • Wheelie control: Non-adjustable

The latest Magnesti Marelli 11MP ECU directs the electronic traffic with the support of a six-axis IMU. This ECU has 144 pins to interact with the bike, up from 80 pins. The new TFT dashboard comes with new Optional Aprilia MIA software that interacts with an app of the rider’s smartphone. It allows him to keep track of phone calls and music either by voice command or via handlebar switches on the fly.

The Aprilia MIA app records data on various parameters and offers navigation. The screen features two display choices Road and Track plus it adjusts to ambient light. There are plenty of handlebar buttons that make it easier to navigate the menu.

2021 Aprilia RS 660 Sports Motorcycle

Chassis Features

The new 2021 Aprilia RS 660 Sports Motorcycle comes with a narrow and lightweight chassis. Its engine act as a stressed member is making 403 pounds with a four-gallon fuel tank filled. The new twin-spar frame is considerably reduced in size from the concept bike shows at EICMA 2018.

The chassis is about half-inch narrower compared to Aprilia RSV4 with footrests nearly three-quarters of an inch closer together. The design increases cornering clearance and makes it easy for the shorter rider to touch the ground with 32.3 inches of seat height. The grips are higher than those used in a super sports bike; the position of the footpegs allows more rider legroom.

The motorcycle has a two-layer fairing that directs the engine heat away from the rider; furthermore, the suspension is almost fully adjustable. The compression damping is fixed on the cantilevered, linkage-free shock. Otherwise, there are full damping and spring-preload adjustments on both ends.

Also Read: 2023 Aprilia RS660 vs 2023 Honda CBR650R Comparison Review

The wheelbase is ultra-compact, and it is less than 54 inches with less-aggressive 24.1 degrees of rake that add some stability to the lightweight chassis. The new Pirelli Diablo Rosso Corsa II tires put 100 horsepower to the pavement. These tires enhance the overall performance of the RS 660.

The braking system features a twin 320 mm disc with radially attached calipers and master cylinder, while the ABS is mounted as standard in the new 2021 RS 660. The motorcycle comes with a variety of accessories that allows the rider to customize the ride while the bike is available in Apex Black and Lava Red color options.

2021 Aprilia RS 660 Sports Motorcycle

2021 Aprilia RS 660 Sports Motorcycle – Price

The new 2021 Aprilia RS 660 Sports Motorcycle is available at $11,299 only.

2021 Aprilia RS 660 Sports Motorcycle – Technical Specifications


Type Parallel twin
Displacement 659cc
Bore x stroke 81 x 63.9mm
Maximum power 100 horsepower at 10,500 rpm
Maximum torque 49 ft-lbs @ 8500 rpm
Compression ratio 13.5:1
Intake EFI w/ two 48mm throttle bodies
Valvetrain DOHC, 4vpc
Transmission 6-speed with up/down quick shifter
Clutch Assist-and-slipper
Final drive Chain


Frame Twin-spar aluminum w/ aluminum subframe
Front suspension; travel Fully adjustable Kayaba inverted 41mm fork; 4.7 inches
Rear suspension; travel Cantilevered, linkage-free, rebound-damping, and spring-preload adjustable shock; 5.1 inches
Wheel Aluminum alloy
Front-wheel 17 x 3.5
Rear-wheel 17. X 5.5
Tires Pirelli Diablo Rosso Corsa II
Front tire 120/70 x 17
Rear tire 180/55 x 17
Front brakes 320mm discs with 4-piston radially, mounted Brembo calipers, radially mounted master cylinder, and steel-braided line
Rear brake 220mm disc with twin-piston Brembo caliper w/ steel-braided line
ABS Cornering aware with 6-axis IMU

Dimensions and Capacities

Wheelbase 53.9 inches
Rake 24.1 degrees
Trail 4.1 inches
Seat height 32.3 inches
Fuel capacity 4 gallons
Estimated fuel consumption 48 mpg
Curb weight 403 pounds
Colors Apex Black; Lava Red; Acid Gold (+$200)


In the end, team Bikes Catalog would love to say that the new 2021 Aprilia RS 660 Sports Motorcycle is an impressive masterpiece by the Aprilia brand. The overall styling is handsome and worth watching while its lightweight chassis helps improve riding experience especially on corners.

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