BMW F 900 R 2021 vs. Kawasaki Z900 RS 2018

The BMW F 900 R model year 2021 and the Kawasaki Z900 RS model year 2018 are both naked bikes that offer powerful performance and attractive designs.

In terms of the engine and drivetrain, both motorcycles have inline engines with liquid cooling and fuel injection systems. However, there are some differences in their specifications. The BMW F 900 R has a 2-cylinder engine with a displacement of 895cc, producing 105 horsepower and 92 Nm of torque. On the other hand, the Kawasaki Z900 RS features a 4-cylinder engine with a displacement of 948cc, delivering 111 horsepower and 98.6 Nm of torque. This means that the Kawasaki Z900 RS has a slightly more powerful engine compared to the BMW F 900 R.

When it comes to suspension, both motorcycles have telescopic front forks and a rear swingarm with a monoshock. They also offer adjustment options for preload and recovery. In terms of the chassis, both bikes have steel frames, but the BMW F 900 R has a dual-tube frame with an engine as a load-bearing component, while the Kawasaki Z900 RS has a tubular frame.

In terms of braking, both motorcycles feature dual-disc front brakes with four-piston calipers. However, there is a difference in the diameter of the front discs, with the BMW F 900 R having larger 320mm discs compared to the 300mm discs on the Kawasaki Z900 RS.

BMW F 900 R 2021

Both motorcycles come equipped with advanced rider assistance systems such as ABS and traction control. The BMW F 900 R also offers additional driving modes, providing more versatility for different riding conditions.

In terms of dimensions and weights, both motorcycles have similar tire widths and diameters, with the front tire measuring 120mm and the rear tire measuring 180mm, both with a 17-inch diameter. The BMW F 900 R has a longer wheelbase of 1518mm compared to the 1470mm of the Kawasaki Z900 RS. The seat height is also slightly higher on the Kawasaki Z900 RS at 835mm compared to the 815mm on the BMW F 900 R. In terms of weight, the BMW F 900 R is slightly lighter at 211kg (with ABS) compared to the 215kg (with ABS) of the Kawasaki Z900 RS.

In terms of fuel capacity, the Kawasaki Z900 RS has a larger 17-liter fuel tank compared to the 13-liter fuel tank on the BMW F 900 R.

Kawasaki Z900 RS 2018

In terms of strengths, the BMW F 900 R offers an excellent cockpit with functional connectivity, extensive electronics that can be operated logically, and a comfortable seating position. It also has a wide range of equipment and configuration options, as well as a suspension that allows for a comfortable and precise ride.

The Kawasaki Z900 RS, on the other hand, offers a powerful and smooth engine, a comfortable seating position, and balanced handling. It is easy to ride and is neither nervous nor heavy.

In terms of weaknesses, the BMW F 900 R has a slightly stiff gear lever, a slightly rough engine performance at high revs, and lacks splash protection at the rear. The Kawasaki Z900 RS, on the other hand, does not have a gear shift assistant, is heavier compared to other retro bikes in its class, has a seat that may be too soft for long rides, and lacks wind protection.

Overall, both the BMW F 900 R 2021 and the Kawasaki Z900 RS 2018 are powerful and attractive naked bikes, each with its own strengths and weaknesses. The BMW F 900 R offers a more extensive range of electronic features and a wider range of customization options, while the Kawasaki Z900 RS provides a more powerful engine and a comfortable riding position. Ultimately, the choice between the two will depend on the rider's preferences and priorities.