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

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

Starting with the Kawasaki Ninja 1000SX 2021, it boasts a silky four-cylinder engine that delivers a respectable 142 HP of power and 111 Nm of torque. The engine has a displacement of 1043 ccm and features a 4-stroke configuration with 4 valves per cylinder. The bike's engine is known for needing revs to perform optimally. It has a compression ratio of 11.8 and a throttle bore of 38 mm.

In terms of suspension, the Ninja 1000SX is equipped with an upside-down telescopic fork with a diameter of 41 mm in the front and a swing arm with a monoshock in the rear. Both the front and rear suspension offer adjustment options for compression, preload, and rebound. The bike's frame is made of aluminum, providing a lightweight and sturdy construction. It has a trail of 102 mm.

Kawasaki Ninja 1000SX 2021

The braking system on the Ninja 1000SX includes double disk brakes with a diameter of 300 mm in the front. The brakes utilize radial, monoblock, and petal technology and are manufactured by Tokico. The front tire has a width of 120 mm and a diameter of 17 inches, while the rear tire measures 190 mm in width and 17 inches in diameter. The wheelbase is 1440 mm, and the seat height is 834.98 mm. The fuel tank capacity is 19 liters.

Moving on to the Kawasaki Ninja ZX-10R 2021, it offers a more powerful engine with 203 HP of power and 114.9 Nm of torque. The engine has a displacement of 998 ccm and features a 4-stroke configuration with 4 valves per cylinder. It has a higher compression ratio of 13 and a throttle bore of 47 mm. The engine is known for its high-revving nature and strong performance.

The suspension setup on the Ninja ZX-10R is similar to the Ninja 1000SX, with an upside-down telescopic fork with a diameter of 43 mm in the front and a swing arm with a monoshock in the rear. Both the front and rear suspension offer adjustment options for compression, preload, and rebound. The frame is also made of aluminum, providing a lightweight and durable structure. It has a slightly larger trail of 105 mm.

The braking system on the Ninja ZX-10R includes double disk brakes with a diameter of 330 mm in the front. The brakes utilize radial and petal technology and are manufactured by Brembo. The tire dimensions, wheelbase, seat height, and fuel tank capacity are the same as the Ninja 1000SX.

Kawasaki Ninja ZX-10R 2021

In terms of strengths, the Ninja 1000SX excels in its silky four-cylinder engine, comfortable yet sporty ergonomics, wind protection, standard electronics package, stability thanks to the full fairing, and accessibility. On the other hand, the Ninja ZX-10R stands out with its high-quality workmanship, strong components, high-revving and powerful engine, great wind protection and aerodynamics, good seating position for tall riders, high-quality electronics package, powerful brakes, and well-balanced chassis.

However, both bikes have their weaknesses. The Ninja 1000SX's engine requires higher revs, the electronics could be more user-friendly, and the windshield can only be adjusted with two hands. The Ninja ZX-10R experiences load change reactions in the partial load range, has a somewhat slow quickshifter, and a relatively small display.

In conclusion, the Kawasaki Ninja 1000SX 2021 is a sport touring motorcycle that offers a comfortable and accessible riding experience, while the Kawasaki Ninja ZX-10R 2021 is a supersport bike that delivers high-performance and impressive handling.