Kawasaki Z900 2023 vs. Kawasaki Z650 2021

The Kawasaki Z900 2023 and the Kawasaki Z650 2021 are both naked bikes from Kawasaki, but they have several differences in terms of specifications and features.

Starting with the engine and powertrain, the Kawasaki Z900 2023 is equipped with an inline-four engine that delivers a power output of 125 HP and a torque of 98.6 Nm. On the other hand, the Kawasaki Z650 2021 features an inline-two engine with a power output of 68.2 HP and a torque of 65.7 Nm. This means that the Z900 has a more powerful engine compared to the Z650.

In terms of fuel system, both bikes have fuel injection systems. However, the Z900 has four cylinders, while the Z650 has only two cylinders. This difference in the number of cylinders contributes to the difference in power output between the two models.

Both bikes have liquid cooling systems to ensure optimal engine temperature. This helps in maintaining engine performance and longevity.

Kawasaki Z900 2023

Moving on to the suspension, the Z900 2023 is equipped with a telescopic inverted fork at the front and a swingarm with a monoshock at the rear. The Z650 2021 also has a telescopic fork at the front and a swingarm with a monoshock at the rear. However, the Z900 offers additional adjustments for preload and recovery on the rear suspension, which allows for more customization and fine-tuning of the suspension settings.

In terms of the frame, both bikes have steel frames. However, the Z900 has a double-cradle frame, while the Z650 has a tubular frame. The double-cradle frame on the Z900 provides better stability and rigidity compared to the tubular frame on the Z650.

Both bikes are equipped with dual disc brakes at the front with a diameter of 300 mm. However, the Z900 has four-piston calipers, while the Z650 has dual-piston calipers. This means that the Z900 provides better braking performance and stopping power compared to the Z650.

Both bikes come with ABS as a standard feature, providing advanced safety and braking assistance. However, the Z900 also offers additional advanced rider assistance systems such as riding modes, ride-by-wire throttle control, and traction control. These features enhance the overall riding experience and safety of the Z900.

In terms of dimensions and weight, the Z900 has a wider front tire (120 mm) compared to the Z650 (120 mm). The Z900 also has a wider rear tire (180 mm) compared to the Z650 (160 mm). The Z900 has a longer wheelbase (1450 mm) compared to the Z650 (1410 mm). The seat height of the Z900 is slightly higher at 795 mm compared to the Z650 at 790 mm. The Z900 is also heavier, weighing 212 kg (with ABS) compared to the Z650, which weighs 187.1 kg (with ABS).

Kawasaki Z650 2021

Both bikes come with LED daytime running lights, LED headlights, and a TFT display, providing modern and advanced features.

In terms of strengths, the Z900 offers light and natural handling with high stability, a smooth engine with strong low-end torque, excellent chassis feedback, and a comfortable seating position. It is also considered to have a fair price for its features and performance. On the other hand, the Z650 is praised for its accessible twin-cylinder engine, compact dimensions, low seat height, stable chassis, TFT display with connectivity, and mature appearance.

As for weaknesses, the Z900 has relatively inconvenient menu operation and lacks slope-dependent assistance systems. It is also heavier compared to the Z650. The Z650, on the other hand, may be uncomfortable for taller riders and may provide a lower level of adrenaline compared to its competition.

Overall, the Kawasaki Z900 2023 and the Kawasaki Z650 2021 are both capable naked bikes, but the Z900 offers more power, advanced rider assistance systems, and additional customization options in terms of suspension settings. However, the Z650 provides a more accessible and compact package with a lower seat height.