Kawasaki Z900 2021 vs. BMW S 1000 R 2017

The Kawasaki Z900 2021 and the BMW S 1000 R 2017 are both naked bikes with similar engine types, inline four-cylinder engines. However, there are some notable differences between the two models.

In terms of engine power, the BMW S 1000 R 2017 has a significant advantage with 165 HP compared to the Kawasaki Z900 2021's 125.4 HP. The BMW also has a higher torque of 114 Nm compared to the Kawasaki's 98.6 Nm. This means that the BMW offers more power and acceleration, making it a more thrilling ride.

Both bikes have fuel injection systems and liquid cooling, ensuring efficient performance and temperature regulation. They also have the same number of cylinders, four, which contributes to their smooth power delivery.

Kawasaki Z900 2021

In terms of suspension, both bikes feature upside-down telescopic forks at the front and swing arm suspension at the rear. The shock absorbers are also monoshocks on both models. However, the BMW S 1000 R 2017 has the advantage of a twin tube aluminum frame, which is lighter and offers better handling compared to the steel frame of the Kawasaki Z900 2021.

When it comes to braking, both bikes have double disk brakes at the front with four pistons. However, the BMW S 1000 R 2017 has the advantage of radial technology, which provides better braking performance and control.

In terms of rider assistance systems, both bikes offer advanced features such as ABS, riding modes, ride by wire, and traction control. However, the BMW S 1000 R 2017 has the additional advantage of dynamic suspension, which adjusts the suspension settings automatically based on riding conditions.

In terms of dimensions and weights, both bikes have similar front tire widths and diameters. However, the BMW S 1000 R 2017 has a wider rear tire width of 190 mm compared to the Kawasaki Z900 2021's 180 mm. The BMW also has a slightly shorter wheelbase of 1439 mm compared to the Kawasaki's 1450 mm. The seat height is also slightly higher on the BMW at 814 mm compared to the Kawasaki's 795 mm. In terms of weight, the BMW is slightly lighter at 205 kg compared to the Kawasaki's 210 kg.

BMW S 1000 R 2017

In terms of strengths, the Kawasaki Z900 2021 is praised for its powerful four-cylinder engine, intuitive handling, good equipment, aggressive looks, and value for money. On the other hand, the BMW S 1000 R 2017 is praised for its best shift assistant in the nakedbike league, powerful engine, awesome sound, great handling, wide range of equipment and accessory options, powerful brakes, and semi-active suspension that eliminates the need for manual setup adjustments.

In terms of weaknesses, the Kawasaki Z900 2021 lacks a quickshifter option and is considered to be behind competitors with 6-axis IMU technology. The BMW S 1000 R 2017 has original equipment tires that are not considered premium and an inactive seating position on the racetrack.

Overall, the BMW S 1000 R 2017 offers more power, better handling, and a wider range of features and options compared to the Kawasaki Z900 2021. However, the Kawasaki offers good value for money and aggressive looks. Ultimately, the choice between the two models will depend on the rider's preferences and priorities.