Suzuki GSX-S1000 2015 vs. Kawasaki Z900 RS 2021

The Suzuki GSX-S1000 2015 and the Kawasaki Z900 RS 2021 are both naked bikes with similar engine types, fuel systems, and cooling systems. However, there are several differences between the two models.

In terms of engine power, the Suzuki GSX-S1000 2015 has a higher output with 149 HP compared to the Kawasaki Z900 RS 2021, which has 111 HP. This means that the Suzuki model may offer more acceleration and top speed capabilities.

When it comes to torque, the Suzuki GSX-S1000 2015 also has an advantage with 106 Nm compared to the Kawasaki Z900 RS 2021's 98.6 Nm. This can result in better low-end power and overall performance.

Both bikes have four cylinders and utilize fuel injection systems for efficient fuel delivery. This ensures smooth and responsive throttle control for both models.

In terms of suspension, both bikes feature upside-down telescopic forks at the front and swing arm suspension at the rear. The suspension on both models can be adjusted for compression, preload, and rebound, allowing riders to fine-tune the bike's handling characteristics to their preferences.

The chassis construction differs between the two models. The Suzuki GSX-S1000 2015 features an aluminum frame with a twin-tube design, while the Kawasaki Z900 RS 2021 has a steel frame with a tubular design. The choice of materials and frame design can impact the bike's overall weight, stiffness, and handling characteristics.

Suzuki GSX-S1000 2015

Both bikes are equipped with double disk brakes at the front, with the Suzuki GSX-S1000 2015 having slightly larger 310 mm diameter disks compared to the Kawasaki Z900 RS 2021's 300 mm diameter disks. Both models also have four-piston calipers for strong braking performance.

In terms of advanced rider assistance systems, both bikes come with ABS. However, the Kawasaki Z900 RS 2021 also features traction control, providing an additional layer of safety and control in various riding conditions.

Both bikes have similar tire dimensions, with a front tire width of 120 mm and a rear tire width of 180-190 mm. They also have the same wheelbase length of around 1460-1470 mm, providing stability and maneuverability.

When it comes to seat height, the Kawasaki Z900 RS 2021 has a slightly higher seat at 835 mm compared to the Suzuki GSX-S1000 2015's 815 mm. This may affect the comfort and ergonomics for different riders.

In terms of weight, the Suzuki GSX-S1000 2015 has a lower kerb weight of 209 kg compared to the Kawasaki Z900 RS 2021's 215 kg. This can result in better handling and maneuverability for the Suzuki model.

Kawasaki Z900 RS 2021

Both bikes have a fuel tank capacity of 17 liters, providing a decent range for longer rides.

In terms of strengths, the Suzuki GSX-S1000 2015 is known for its legendary Suzuki engine, sharp sound, rev-happy nature, pleasing design, strong brakes, and taut chassis. It also does not compromise on performance.

On the other hand, the Kawasaki Z900 RS 2021 stands out with its authentic and beautiful retro look, very comfortable seating position, and easy and comfortable ride.

In terms of weaknesses, the Suzuki GSX-S1000 2015 is based on an older platform, and its performance in the rev range may not be as strong as some competitors. It may also experience load change issues.

The Kawasaki Z900 RS 2021, on the other hand, lacks a quickshifter and driving modes, although it does offer adjustable traction control.

Overall, both the Suzuki GSX-S1000 2015 and the Kawasaki Z900 RS 2021 have their own unique strengths and weaknesses. The choice between the two would depend on the rider's preferences for power, handling, comfort, and style.