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 with similar technical specifications. They both have an in-line engine with a displacement of 948cc and a liquid cooling system. The engine power of the Z900 is slightly higher at 125.4 HP compared to the Z900 RS which has 111 HP. However, both bikes have the same torque of 98.6 Nm.

In terms of suspension, both bikes have upside-down telescopic forks at the front and a swing arm suspension with a monoshock at the rear. The suspension adjustments for both bikes include preload and rebound. The Z900 RS also offers compression adjustment for the front suspension.

Kawasaki Z900 2017

Both bikes have a steel frame, but the Z900 has a double cradle frame while the Z900 RS has a tubular frame. The braking system for both bikes consists of double disk brakes with a diameter of 300mm and four pistons. Additionally, both bikes are equipped with ABS as an advanced rider assistance system. However, the Z900 RS also features traction control.

In terms of dimensions and weights, both bikes have the same front and rear tire widths and diameters. The wheelbase of the Z900 RS is slightly longer at 1470mm compared to the Z900 which has a wheelbase of 1450mm. The seat height of the Z900 RS is also higher at 835mm compared to the Z900 which has a seat height of 795mm. The kerb weight of the Z900 RS is slightly heavier at 215kg compared to the Z900 which weighs 210kg with ABS.

The Kawasaki Z900 2017 has several strengths including its ingenious naked bike chassis, superb looks, and a responsive engine with a well-balanced torque. It is also praised for offering a good intersection of performance, price, and practical use. However, one weakness of the Z900 is its narrow knee angle which may be uncomfortable for taller riders.

Kawasaki Z900 RS 2021

On the other hand, the Kawasaki Z900 RS 2021 has a retro look that is highly praised for its authenticity and beauty. It also offers a very comfortable seating position and is considered easy and comfortable to ride. However, it lacks a quickshifter and driving modes, although it does have adjustable traction control.

In conclusion, both the Kawasaki Z900 2017 and the Kawasaki Z900 RS 2021 are impressive naked bikes with their own strengths and weaknesses. The Z900 offers a higher engine power and a more affordable price, while the Z900 RS provides a retro look and a more comfortable riding experience. Ultimately, the choice between the two will depend on the rider's preferences and priorities.