Kawasaki Ninja 1000SX 2023 vs. Kawasaki Z900 RS 2018

The Kawasaki Ninja 1000SX 2023 and the Kawasaki Z900 RS 2018 are both sporty motorcycles, but they have some key differences in terms of their technical specifications and features.

Starting with the engine and drivetrain, both models have an inline-four engine with liquid cooling. However, the Ninja 1000SX has a larger displacement of 1043cc compared to the Z900 RS's 948cc. This results in a higher power output for the Ninja 1000SX, with 142 horsepower compared to the Z900 RS's 111 horsepower. The Ninja 1000SX also has a higher torque rating of 111 Nm compared to the Z900 RS's 98.6 Nm.

In terms of suspension, both models feature a telescopic front fork and a rear monoshock. However, the Ninja 1000SX has slightly longer travel in both the front and rear suspension, with 120mm and 144mm respectively, compared to the Z900 RS's 120mm and 140mm. Both models offer adjustment options for compression, preload, and rebound.

When it comes to the chassis, the Ninja 1000SX has an aluminum frame, which is known for its lightweight and rigidity, while the Z900 RS has a steel frame. This gives the Ninja 1000SX an advantage in terms of weight and handling.

Kawasaki Ninja 1000SX 2023

In terms of braking, both models have dual disc brakes at the front with a diameter of 300mm and four-piston calipers. This provides ample stopping power for both bikes.

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

In terms of dimensions and weight, the Ninja 1000SX has a slightly shorter wheelbase of 1440mm compared to the Z900 RS's 1470mm. The seat height is similar for both models, with the Ninja 1000SX measuring at 834.98mm and the Z900 RS at 835mm. The Ninja 1000SX is slightly heavier with a curb weight of 235kg compared to the Z900 RS's 215kg. Both models have a similar fuel tank capacity, with the Ninja 1000SX at 19 liters and the Z900 RS at 17 liters.

In terms of strengths, the Ninja 1000SX offers a smooth four-cylinder engine, comfortable yet sporty ergonomics, wind protection, a comprehensive electronic package, and excellent stability thanks to its full fairing. It is also considered to be very accessible.

Kawasaki Z900 RS 2018

On the other hand, the Z900 RS has a powerful and smooth engine, a stylish appearance, a comfortable seating position, and easy handling. It is not considered to be overly aggressive or heavy.

In terms of weaknesses, the Ninja 1000SX's engine requires higher revs, and the electronics could be more user-friendly. Additionally, adjusting the windscreen requires the use of both hands.

For the Z900 RS, it lacks a gear shift assistant, is heavier compared to other retro bikes in its class, has a seat that may be too soft for long rides, and lacks wind protection.

In conclusion, the Kawasaki Ninja 1000SX 2023 and the Kawasaki Z900 RS 2018 are both attractive sporty motorcycles with their own strengths and weaknesses. The Ninja 1000SX offers a more powerful engine, a comprehensive electronic package, and better wind protection, while the Z900 RS has a stylish design, a comfortable seating position, and easy handling. Ultimately, the choice between the two will depend on the rider's preferences and priorities.