Kawasaki Z900 2017 vs. Kawasaki Z900 RS 2021

The Kawasaki Z900 model year 2017 and the Kawasaki Z900 RS model year 2021 are both naked bikes from Kawasaki, but they have some notable differences in terms of specifications and features.

Starting with the engine and power, both models have an inline-four engine with a displacement of 948cc. However, the Z900 2017 has a slightly higher power output of 125.4 HP compared to the Z900 RS 2021, which has 111 HP. Both models have the same torque rating of 98.6 Nm. They also share the same fuel injection system and liquid cooling.

In terms of suspension, both models feature a telescopic fork at the front and a swingarm at the rear. However, the Z900 RS 2021 offers more adjustability with compression, preload, and rebound adjustments, while the Z900 2017 only has preload and rebound adjustments. Both models have aluminum rear shocks.

Kawasaki Z900 2017

When it comes to the chassis, the Z900 2017 has a steel frame with a double-cradle design, while the Z900 RS 2021 has a tubular frame. Both models have dual disc brakes at the front with a diameter of 300mm and four-piston calipers. They also have ABS as an advanced rider assistance system.

In terms of dimensions and weights, the Z900 RS 2021 has a slightly longer wheelbase of 1470mm compared to the 1450mm of the Z900 2017. The seat height of the Z900 RS 2021 is also higher at 835mm compared to the 795mm of the Z900 2017. The Z900 RS 2021 is slightly heavier with a curb weight of 215kg compared to the 210kg of the Z900 2017.

Kawasaki Z900 RS 2021

Now let's move on to the strengths and weaknesses of each model. The Z900 2017 is praised for its ingenious naked bike chassis, magnificent appearance, and a responsive engine with well-balanced torque. It is also considered to have a great balance between performance, price, and practicality. However, it is noted that the knee angle might be too narrow for taller riders, suggesting the need for a different seat.

On the other hand, the Z900 RS 2021 is appreciated for its authentic and beautiful retro look. It offers a very comfortable seating position and is described as easy and comfortable to ride. However, it is mentioned that it lacks quick shifter and riding modes, although it does come with adjustable traction control.

In summary, the Kawasaki Z900 2017 and the Kawasaki Z900 RS 2021 are both impressive naked bikes with their own strengths and weaknesses. While the Z900 2017 offers a higher power output and a more practical design, the Z900 RS 2021 stands out with its retro aesthetics and comfortable riding experience. Ultimately, the choice between the two models will depend on the rider's preferences and priorities.