Aprilia RS 660 2021 vs. Kawasaki Ninja ZX-6R 636 2013

The Aprilia RS 660 2021 and the Kawasaki Ninja ZX-6R 636 2013 are both supersport motorcycles that offer impressive performance and features. However, there are notable differences between the two models.

In terms of engine and drivetrain, the Aprilia RS 660 2021 is equipped with an in-line crankpin offset engine with a displacement of 659cc. It produces 100 horsepower and 67 Nm of torque, with a compression ratio of 13.5. On the other hand, the Kawasaki Ninja ZX-6R 636 2013 features an in-line engine with a displacement of 636cc. It delivers a higher power output of 131 horsepower and 71 Nm of torque, with a compression ratio of 12.9.

Both motorcycles have upside-down telescopic forks for the front suspension, with adjustable compression, preload, and rebound settings. The rear suspension of both models also offers adjustable compression, preload, and rebound. The chassis of both bikes is made of aluminum, providing a lightweight and rigid structure. However, the Aprilia RS 660 2021 has a load-bearing engine frame, while the Kawasaki Ninja ZX-6R 636 2013 features a twin-tube, perimeter, extruded frame.

Aprilia RS 660 2021

When it comes to braking, the Aprilia RS 660 2021 is equipped with double disc brakes at the front, featuring Brembo technology. The Kawasaki Ninja ZX-6R 636 2013 also has double disc brakes at the front, utilizing radial, monoblock, petal technology from Nissin. Both models offer advanced rider assistance systems, including ABS, traction control, and various riding modes. However, the Aprilia RS 660 2021 has additional features such as launch control, ride by wire, quickshifter, and anti-wheelie control.

In terms of dimensions and weights, the Aprilia RS 660 2021 has a front tire width of 120mm and a rear tire width of 180mm, with both tires having a diameter of 17 inches. It has a wheelbase of 1370mm and a seat height of 820mm. The kerb weight of the Aprilia RS 660 2021, including ABS, is 183kg, and it has a fuel tank capacity of 15 liters. On the other hand, the Kawasaki Ninja ZX-6R 636 2013 has the same tire dimensions as the Aprilia, with a wheelbase of 1395mm and a seat height of 830mm. The kerb weight of the Kawasaki Ninja ZX-6R 636 2013, including ABS, is slightly higher at 194kg, and it has a larger fuel tank capacity of 17 liters.

Kawasaki Ninja ZX-6R 636 2013

In terms of strengths, the Aprilia RS 660 2021 stands out with its powerful engine, extensive electronics package, sporty chassis, nice sound, low weight, and sporty look. On the other hand, the Kawasaki Ninja ZX-6R 636 2013 is praised for its sharpened geometry, comfortable seating position, good handling, and uncompromising reliability.

However, the Aprilia RS 660 2021 does have a weakness in the form of a poorly readable rev counter, while the Kawasaki Ninja ZX-6R 636 2013 is criticized for its high purchase price.

In conclusion, both the Aprilia RS 660 2021 and the Kawasaki Ninja ZX-6R 636 2013 are impressive supersport motorcycles with their own unique strengths and weaknesses. The Aprilia offers a powerful engine and extensive electronics package, while the Kawasaki provides a reliable and well-handling ride. Ultimately, the choice between the two would depend on individual preferences and priorities.