BMW S 1000 R 2021 vs. Kawasaki Z900 2020

The BMW S 1000 R 2021 and the Kawasaki Z900 2020 are both powerful naked bikes with inline four-cylinder engines and liquid cooling. However, there are several differences between the two models.

In terms of power, the BMW S 1000 R 2021 takes the lead with 165 HP compared to the Kawasaki Z900 2020's 125.4 HP. This makes the BMW more suitable for riders who crave high performance and exhilarating acceleration. The BMW also has a higher torque of 114 Nm compared to the Kawasaki's 98.6 Nm, giving it an advantage in terms of low-end grunt and overall power delivery.

Both bikes feature fuel injection systems and have four cylinders, providing smooth and efficient power delivery. However, the BMW has a larger displacement of 999 ccm compared to the Kawasaki's 948 ccm, which contributes to its higher power output.

In terms of suspension, both bikes feature a telescopic fork at the front and a swingarm at the rear. However, the BMW offers more adjustability with compression, preload, and rebound adjustments for both the front and rear suspension. The Kawasaki, on the other hand, only offers preload and rebound adjustments for its suspension. This gives the BMW an advantage in terms of fine-tuning the suspension to suit different riding styles and road conditions.

BMW S 1000 R 2021

In terms of chassis, the BMW features an aluminum frame, while the Kawasaki has a steel frame. The aluminum frame provides a lighter weight and better handling characteristics, contributing to the BMW's nimble and agile performance. The Kawasaki, however, offers a double cradle frame, which provides stability and strength.

Both bikes feature dual disc brakes at the front, but the BMW has larger 320 mm discs compared to the Kawasaki's 300 mm discs. The BMW also features radial-mounted calipers, which provide better braking performance and feel. The Kawasaki, on the other hand, features petal-type discs, which offer good heat dissipation and braking performance.

In terms of advanced rider assistance systems, both bikes feature ABS and traction control. The BMW, however, offers additional features such as hill start assist, riding modes, ABS for curves, cruise control, and anti-wheelie control. These additional features enhance the overall riding experience and safety of the BMW.

In terms of dimensions and weights, both bikes have similar tire widths and diameters. They also have the same wheelbase of 1450 mm. However, the BMW has a higher seat height of 830 mm compared to the Kawasaki's 795 mm. The BMW also weighs less at 199 kg (with ABS) compared to the Kawasaki's 210 kg (with ABS).

In terms of strengths, the BMW S 1000 R 2021 offers a powerful engine, excellent brakes, comfortable ergonomics, and optional high-performance extras. It is also praised for its simplicity of operation and impressive versatility.

Kawasaki Z900 2020

The Kawasaki Z900 2020, on the other hand, is commended for its powerful four-cylinder engine, excellent handling, good equipment, aggressive styling, and value for money.

In terms of weaknesses, the BMW S 1000 R 2021 is criticized for its slightly imperfect gear lever and intrusive sound, as well as some vibrations in the handlebars.

The Kawasaki Z900 2020 is noted for its slightly tiresome menu navigation and the lack of a quickshifter option.

Overall, both the BMW S 1000 R 2021 and the Kawasaki Z900 2020 are impressive naked bikes with their own strengths and weaknesses. The BMW offers more power, advanced features, and adjustability, while the Kawasaki provides a strong performance, good equipment, and an aggressive appearance at a more affordable price point. Riders should consider their priorities and preferences to choose the bike that best suits their needs.