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

The Kawasaki Ninja 1000SX 2021 is a sport touring motorcycle that offers a smooth four-cylinder engine and comfortable yet sporty ergonomics. It provides a good level of wind protection and comes with a standard electronic package. The bike also offers a lot of stability thanks to its full fairing design and is considered very affordable.

On the other hand, the Kawasaki Ninja ZX-10R 2021 is a supersport motorcycle that boasts high-quality finishing and robust components. It features a powerful and high-revving engine, excellent wind protection with good aerodynamics, and a comfortable seating position even for taller riders. It also comes with a high-quality electronic package, powerful brakes, and a well-balanced chassis.

In terms of engine specifications, the Ninja 1000SX has a 1043cc inline-four engine that produces 142 horsepower and 111 Nm of torque. It has a compression ratio of 11.8 and a throttle bore of 38mm. The bike utilizes a chain transmission and has four cylinders with four strokes. It also features DOHC valves with four valves per cylinder.

On the other hand, the Ninja ZX-10R is equipped with a 998cc inline-four engine that delivers a whopping 203 horsepower and 114.9 Nm of torque. It has a higher compression ratio of 13 and a larger throttle bore of 47mm. Similar to the Ninja 1000SX, it also has a chain transmission, four cylinders, and four strokes. It also features DOHC valves with four valves per cylinder.

Kawasaki Ninja 1000SX 2021

Both motorcycles feature a similar suspension setup with a telescopic upside-down fork at the front and a swingarm suspension with a monoshock at the rear. The suspension on both bikes is adjustable for compression, preload, and rebound. They also share an aluminum frame and have a similar wheelbase of 1440mm.

In terms of braking, the Ninja 1000SX is equipped with dual disc brakes at the front with a diameter of 300mm. The brakes feature radial, monobloc, and petal technology, and are made by Tokyo. On the other hand, the Ninja ZX-10R features slightly larger dual disc brakes at the front with a diameter of 330mm. The brakes utilize radial and petal technology and are manufactured by Brembo.

Both motorcycles have the same tire dimensions, with a front tire width of 120mm and a rear tire width of 190mm. They also share the same wheel diameter of 17 inches. Additionally, they have a similar seat height, with the Ninja 1000SX measuring 834.98mm and the Ninja ZX-10R measuring 835mm. The fuel tank capacity, however, differs slightly, with the Ninja 1000SX having a larger capacity of 19 liters compared to the Ninja ZX-10R's 17 liters.

Kawasaki Ninja ZX-10R 2021

In terms of strengths, the Ninja 1000SX offers a silky smooth four-cylinder engine, comfortable yet sporty ergonomics, good wind protection, a standard electronic package, and a lot of stability thanks to its full fairing design. It is also considered very affordable.

On the other hand, the Ninja ZX-10R boasts high-quality finishing, robust components, a powerful and high-revving engine, excellent wind protection with good aerodynamics, a comfortable seating position, a high-quality electronic package, powerful brakes, and a well-balanced chassis.

However, both motorcycles have their weaknesses. The Ninja 1000SX's engine requires higher revs, the electronics could be easier to use, and the windshield can only be adjusted with both hands. The Ninja ZX-10R exhibits load change reactions in the partial load range, has a somewhat slow quickshifter, and features a relatively small screen.

In conclusion, the Kawasaki Ninja 1000SX 2021 and the Kawasaki Ninja ZX-10R 2021 are both impressive motorcycles with their own unique strengths and weaknesses. The Ninja 1000SX is a sport touring bike that offers a smooth engine and comfortable ergonomics at an affordable price. On the other hand, the Ninja ZX-10R is a high-performance supersport motorcycle with a powerful engine, high-quality components, and excellent wind protection. Ultimately, the choice between the two will depend on the rider's preferences and intended use.