BMW S 1000 R 2021 vs. Kawasaki Z1000 2009

The BMW S 1000 R 2021 and the Kawasaki Z1000 2009 are both naked bikes with inline engines. However, there are several differences between the two models in terms of technical specifications and overall performance.

In terms of engine power, the BMW S 1000 R 2021 takes the lead with 165 HP, compared to the Kawasaki Z1000 2009's 125 HP. This means that the BMW offers a more powerful and dynamic riding experience. The BMW also has a higher torque of 114 Nm, compared to the Kawasaki's 98.7 Nm, which further enhances its acceleration and overall performance.

Both bikes have four cylinders and liquid cooling systems, ensuring efficient heat dissipation and optimal engine performance. The BMW has a slightly larger displacement of 999 ccm, while the Kawasaki has a displacement of 953 ccm. This means that the BMW may have a slight advantage in terms of overall power and performance.

In terms of chassis, the BMW S 1000 R 2021 features an aluminum frame with a twin-tube design, which provides excellent rigidity and stability. On the other hand, the Kawasaki Z1000 2009 has a steel frame with a central tube design, which also offers good stability but may not be as lightweight as the BMW's frame.

BMW S 1000 R 2021

Both bikes have double disk brakes at the front, ensuring reliable and powerful braking performance. However, the BMW features radial brake technology, which provides better control and precision during braking. The Kawasaki, on the other hand, has petal brake technology, which may still offer good braking performance but may not be as advanced as the BMW's system.

In terms of dimensions and weights, both bikes have 17-inch front and rear tire diameters, offering good stability and handling. The BMW has a slightly longer wheelbase of 1450 mm, compared to the Kawasaki's 1445 mm, which may contribute to better stability at higher speeds. The BMW also has a higher seat height of 830 mm, compared to the Kawasaki's 820 mm, which may provide a more commanding riding position.

When it comes to fuel tank capacity, the Kawasaki Z1000 2009 has a larger capacity of 18.5 liters, compared to the BMW's 16.5 liters. This means that the Kawasaki may have a longer range before needing to refuel.

Kawasaki Z1000 2009

In terms of strengths, the BMW S 1000 R 2021 offers a powerful engine, good brakes, comfortable ergonomics, and the option for high-priced but high-performance optional extras. It is also considered a great all-rounder, suitable for various riding conditions.

On the other hand, the Kawasaki Z1000 2009 is praised for its relatively high power, powerful appearance, comfortable ride, optimal chassis, and acceptable price. It offers a good balance between performance and affordability.

However, both bikes have their weaknesses. The BMW S 1000 R 2021's quickshifter is considered good but not perfect, and the sound can still be a bit intrusive. Some riders also report vibrations in the handlebars. The Kawasaki Z1000 2009 has an instrument unit that can be difficult to control, and there may be some manual force required during operation.

In conclusion, the BMW S 1000 R 2021 and the Kawasaki Z1000 2009 are both solid naked bikes with their own strengths and weaknesses. The BMW offers a more powerful engine, better brakes, and a higher level of refinement, while the Kawasaki provides a good balance between power, comfort, and affordability. Ultimately, the choice between the two will depend on the rider's preferences and priorities.