Kawasaki Ninja 1000SX 2020 vs. Kawasaki Ninja ZX-10R 2021

The Kawasaki Ninja 1000SX 2020 and the Kawasaki Ninja ZX-10R 2021 are both impressive motorcycles, but they have some key differences that set them apart.

Starting with the engine and drive train, the Ninja 1000SX 2020 features an in-line, 4-stroke engine with a displacement of 1043cc. It delivers 142 horsepower and 111 Nm of torque, with a compression ratio of 11.8. The throttle bore is 38mm, and it has a chain transmission. On the other hand, the Ninja ZX-10R 2021 also has an in-line, 4-stroke engine but with a smaller displacement of 998cc. It boasts a higher power output of 203 horsepower and 114.9 Nm of torque, with a compression ratio of 13. The throttle bore is larger at 47mm, and it also has a chain transmission.

In terms of suspension, both motorcycles feature upside-down telescopic forks at the front and a swing arm with a monoshock at the rear. However, the Ninja ZX-10R 2021 has slightly larger fork diameter at 43mm compared to the Ninja 1000SX 2020's 41mm. Both bikes offer adjustable compression, preload, and rebound settings for the suspension.

Kawasaki Ninja 1000SX 2020

When it comes to brakes, the Ninja 1000SX 2020 has double disc brakes with a diameter of 300mm at the front, featuring radial, monoblock, and petal technology from Tokico. The Ninja ZX-10R 2021, on the other hand, has slightly larger double disc brakes with a diameter of 330mm at the front, featuring radial and petal technology from Brembo. Both bikes offer powerful braking performance.

In terms of dimensions and weights, both motorcycles have the same front and rear tire width and diameter, as well as the same wheelbase. The seat height is also similar, with the Ninja 1000SX 2020 measuring at 834.98mm and the Ninja ZX-10R 2021 at 835mm. However, there is a difference in fuel tank capacity, with the Ninja 1000SX 2020 having a larger capacity of 19 liters compared to the Ninja ZX-10R 2021's 17 liters.

Kawasaki Ninja ZX-10R 2021

Moving on to the strengths of each bike, the Ninja 1000SX 2020 is praised for its refined and powerful engine, balanced handling, comfortable chassis, and modern looks. It also offers good brakes, LED lights all around, a color TFT display, and cruise control as standard. On the other hand, the Ninja ZX-10R 2021 is lauded for its high-quality workmanship, strong components, high-revving and powerful engine, and great wind protection with good aerodynamics. It also offers a good seating position even for tall riders, a high-quality electronics package, powerful brakes, and a well-balanced chassis.

As for weaknesses, the Ninja 1000SX 2020's only notable weakness is that the windshield can only be adjusted without tools but requires both hands. On the other hand, the Ninja ZX-10R 2021 has a few weaknesses, including load change reactions in the partial load range, a somewhat slow quickshifter, and a somewhat small display.

In conclusion, the Kawasaki Ninja 1000SX 2020 and the Kawasaki Ninja ZX-10R 2021 are both impressive motorcycles with their own strengths and weaknesses. The Ninja 1000SX 2020 is a sport touring motorcycle with a refined engine and comfortable chassis, while the Ninja ZX-10R 2021 is a supersport motorcycle with high-quality components and a powerful engine. Ultimately, the choice between the two will depend on the rider's preferences and intended use.