Kawasaki Ninja ZX-6R 2019 vs. Aprilia RS 660 2021

The Kawasaki Ninja ZX-6R 2019 and the Aprilia RS 660 2021 are both supersport motorcycles that offer thrilling performance and advanced features.

In terms of engine specifications, the Kawasaki Ninja ZX-6R 2019 is equipped with an in-line, 4-cylinder engine with a displacement of 636cc. It delivers a power output of 130 HP and a torque of 70.8 Nm. On the other hand, the Aprilia RS 660 2021 features a 2-cylinder engine with a displacement of 659cc. It produces a slightly lower power output of 100 HP and a torque of 67 Nm.

Both motorcycles have DOHC valve configurations with 4 valves per cylinder, ensuring efficient combustion and optimal performance. The Kawasaki Ninja ZX-6R 2019 has a compression ratio of 12.9, while the Aprilia RS 660 2021 boasts a higher compression ratio of 13.5.

In terms of suspension, both motorcycles feature upside-down telescopic forks at the front and swing arm suspension at the rear. The Kawasaki Ninja ZX-6R 2019 has a front fork diameter of 41mm, while the Aprilia RS 660 2021 shares the same diameter. Both motorcycles offer adjustable compression, preload, and rebound settings for a personalized riding experience. The rear suspension of the Kawasaki Ninja ZX-6R 2019 is equipped with a monoshock, while the Aprilia RS 660 2021 offers preload and rebound adjustment.

The chassis of both motorcycles is made of aluminum, providing a lightweight yet sturdy structure. The Kawasaki Ninja ZX-6R 2019 features a twin-tube, perimeter, extruded frame, while the Aprilia RS 660 2021 has a load-bearing engine frame. The rake angle of the Kawasaki Ninja ZX-6R 2019 is 66.5 degrees, while the Aprilia RS 660 2021 has a slightly lower rake angle of 65.9 degrees. The trail measurement of the Kawasaki Ninja ZX-6R 2019 is 101mm, whereas the Aprilia RS 660 2021 has a trail of 104.6mm.

Kawasaki Ninja ZX-6R 2019

Both motorcycles are equipped with double disk brakes at the front, providing excellent stopping power. The Kawasaki Ninja ZX-6R 2019 has a front brake diameter of 310mm, while the Aprilia RS 660 2021 features a larger front brake diameter of 320mm. Both motorcycles utilize radial brake technology for enhanced performance.

When it comes to advanced rider assistance systems, both motorcycles offer ABS, riding modes, and ride-by-wire technology. The Aprilia RS 660 2021 goes a step further and includes additional features such as launch control, a quickshifter, traction control, and anti-wheelie functionality.

In terms of dimensions and weights, the Kawasaki Ninja ZX-6R 2019 has a front tire width of 120mm and a rear tire width of 180mm, both with a diameter of 17 inches. The wheelbase measures 1400mm, and the seat height is 830mm. The fuel tank capacity is 17 liters. On the other hand, the Aprilia RS 660 2021 shares the same tire dimensions and wheel diameter. However, it has a slightly shorter wheelbase of 1370mm and a lower seat height of 820mm. The fuel tank capacity is slightly smaller at 15 liters.

Both motorcycles are equipped with LED headlights, providing excellent visibility and a modern aesthetic.

Aprilia RS 660 2021

In terms of strengths, the Kawasaki Ninja ZX-6R 2019 offers a great engine with a balanced mix of revving and torque. It delivers a lively handling experience without sacrificing comfort. The responsive fork and adjustable chassis contribute to a dynamic riding experience.

The Aprilia RS 660 2021 boasts a powerful engine that provides exhilarating performance. It also features an extensive electronics package, including launch control, quickshifter, and traction control, enhancing the overall riding experience. The sporty chassis and low weight contribute to agile handling, while the sporty look adds to its appeal.

However, the Kawasaki Ninja ZX-6R 2019 has some weaknesses in terms of design details, such as the number plate holder and indicators, which could use more finesse. Additionally, some riders may find the overall silhouette of the motorcycle lacking in sportiness and aggressiveness.

The Aprilia RS 660 2021 has a minor weakness in terms of the rev counter, which may be poorly readable for some riders.

In conclusion, both the Kawasaki Ninja ZX-6R 2019 and the Aprilia RS 660 2021 are impressive supersport motorcycles with their own unique strengths and weaknesses. Riders looking for a well-rounded package with a great engine and responsive handling may prefer the Kawasaki Ninja ZX-6R 2019. On the other hand, those seeking a more powerful engine and advanced electronics package may lean towards the Aprilia RS 660 2021. Ultimately, the choice between the two will depend on individual preferences and priorities.