Kawasaki Ninja 1000SX 2021 vs. Kawasaki Z900 RS 2021

In terms of engine performance, the Kawasaki Ninja 1000SX 2021 comes out on top with its 142 HP engine compared to the Kawasaki Z900 RS 2021's 111 HP engine. The Ninja 1000SX also has higher torque at 111 Nm compared to the Z900 RS's 98.6 Nm. Both motorcycles have fuel injection systems and chain transmissions.

In terms of suspension, both motorcycles feature upside-down telescopic forks in the front and swing arm suspension in the rear. The Ninja 1000SX has a slightly longer rear suspension travel at 144 mm compared to the Z900 RS's 140 mm. Both motorcycles offer adjustment options for compression, preload, and rebound.

When it comes to the chassis, the Ninja 1000SX features an aluminum frame, while the Z900 RS has a steel frame. The aluminum frame of the Ninja 1000SX may provide better handling and stability.

Both motorcycles have double disk brakes with a diameter of 300 mm and four-piston calipers in the front. This ensures strong and reliable braking performance for both models.

Kawasaki Ninja 1000SX 2021

In terms of advanced rider assistance systems, the Ninja 1000SX offers a more comprehensive package. It includes ABS, riding modes, cornering ABS, ride by wire, quickshifter, and traction control. On the other hand, the Z900 RS only offers ABS and traction control.

In terms of dimensions and weights, the Ninja 1000SX has a slightly wider rear tire at 190 mm compared to the Z900 RS's 180 mm. The Ninja 1000SX also has a shorter wheelbase at 1440 mm compared to the Z900 RS's 1470 mm. Both motorcycles have similar seat heights, with the Ninja 1000SX at 834.98 mm and the Z900 RS at 835 mm. The Ninja 1000SX is slightly heavier with a kerb weight of 235 kg compared to the Z900 RS's 215 kg. However, the Ninja 1000SX has a larger fuel tank capacity at 19 liters compared to the Z900 RS's 17 liters.

In terms of strengths, the Ninja 1000SX offers a smooth and powerful four-cylinder engine, comfortable yet sporty ergonomics, wind protection, a standard electronics package, and lots of stability thanks to its full fairing. It is also considered very accessible for riders.

Kawasaki Z900 RS 2021

On the other hand, the Z900 RS stands out with its authentic and beautiful retro look. It offers a very comfortable seating position and is easy and comfortable to ride.

In terms of weaknesses, the Ninja 1000SX's engine may require higher revs for optimal performance, and its electronics could be more user-friendly. Additionally, adjusting the windshield on the Ninja 1000SX requires the use of both hands.

The Z900 RS lacks a quickshifter and driving modes, although it does have adjustable traction control.

Overall, the Kawasaki Ninja 1000SX 2021 is a sport touring motorcycle with a powerful engine and advanced electronics package, making it suitable for riders looking for a combination of performance and comfort. The Kawasaki Z900 RS 2021, on the other hand, offers a retro look and a comfortable riding experience, making it a great choice for riders who prioritize style and comfort.