Kawasaki Z900 RS 2018 vs. Honda CB1000R Black Edition 2021

In terms of engine power, the Honda CB1000R Black Edition 2021 outperforms the Kawasaki Z900 RS 2018 with 145 HP compared to 111 HP. The Honda also has a higher torque of 104 Nm compared to 98.6 Nm of the Kawasaki. Both bikes have an inline 4-cylinder engine with liquid cooling and fuel injection systems.

In terms of suspension, both bikes feature upside-down telescopic forks in the front. However, the Kawasaki Z900 RS 2018 offers more adjustability with compression, preload, and rebound adjustments, while the Honda CB1000R Black Edition 2021 only offers compression, preload, and rebound adjustments in the rear.

Both bikes have steel frames, but the Kawasaki Z900 RS 2018 has a tubular frame while the Honda CB1000R Black Edition 2021 has a backbone frame. The Kawasaki has a swing arm suspension in the rear, while the Honda has a single swing arm suspension.

Kawasaki Z900 RS 2018

In terms of braking, both bikes have double disk brakes in the front with four pistons. The Honda CB1000R Black Edition 2021 has slightly larger brake disks with a diameter of 310 mm compared to 300 mm of the Kawasaki.

Both bikes come with advanced rider assistance systems such as ABS and traction control. The Honda CB1000R Black Edition 2021 offers additional features like riding modes, ride by wire, and a quickshifter.

In terms of dimensions and weights, the Kawasaki Z900 RS 2018 has a slightly longer wheelbase of 1470 mm compared to 1455 mm of the Honda CB1000R Black Edition 2021. The seat height is also slightly higher on the Kawasaki with 835 mm compared to 830 mm of the Honda. The Kawasaki is slightly heavier with a kerb weight of 215 kg compared to 212 kg of the Honda. However, the Honda has a smaller fuel tank capacity of 16.2 liters compared to 17 liters of the Kawasaki.

Honda CB1000R Black Edition 2021

In terms of strengths, the Kawasaki Z900 RS 2018 is praised for its powerful and smooth engine, good looks, comfortable seating position, easy rideability, and balanced handling. It is described as not being nervous or ponderous. On the other hand, the Honda CB1000R Black Edition 2021 is praised for its powerful engine, smooth quickshifter, nimble handling, 5-inch TFT display, and classy appearance.

In terms of weaknesses, the Kawasaki Z900 RS 2018 lacks a shift assistant, is heavier than other retro bikes in its class, has a seat that may be too soft for long tours, and lacks wind protection. The Honda CB1000R Black Edition 2021 has a narrow handlebar as its only mentioned weakness.

Overall, both bikes offer strong performance and attractive features. The choice between them may come down to personal preferences in terms of styling, adjustability, and specific features offered.