Kawasaki Z900 2018 vs. Kawasaki Z650 2021

The Kawasaki Z900 model year 2018 and the Kawasaki Z650 model year 2021 are both naked bikes from Kawasaki, but they have some key differences in terms of specifications and features.

Starting with the engine and drive train, the Kawasaki Z900 2018 is equipped with an in-line, 4-cylinder engine that delivers a powerful 125.4 HP and 98.6 Nm of torque. On the other hand, the Kawasaki Z650 2021 features a smaller in-line, 2-cylinder engine with a lower power output of 68.2 HP and torque of 65.7 Nm. This means that the Z900 offers more power and torque compared to the Z650.

In terms of cooling, both bikes have liquid-cooled engines. The Z900 has a larger displacement of 948cc, while the Z650 has a displacement of 649cc. This indicates that the Z900 has a larger engine, which contributes to its higher power output.

Kawasaki Z900 2018

Moving on to the suspension, both bikes have a swing arm rear suspension with a monoshock absorber. However, the Z900 has an upside-down telescopic fork front suspension, while the Z650 has a regular telescopic fork front suspension. This means that the Z900 may offer better suspension performance and handling compared to the Z650.

In terms of brakes, both bikes have double disk front brakes with a diameter of 300mm. However, the Z900 has four-piston front brake calipers, while the Z650 has double-piston front brake calipers. This suggests that the Z900 may offer better braking performance and stopping power.

Both bikes are equipped with ABS as part of their advanced rider assistance systems, ensuring enhanced safety during braking.

In terms of dimensions and weights, the Z900 has a slightly wider front tire (120mm) compared to the Z650 (120mm). The Z900 also has a larger rear tire width (180mm) compared to the Z650 (160mm). However, both bikes have the same front and rear tire diameter of 17 inches. The Z900 has a longer wheelbase of 1450mm, while the Z650 has a slightly shorter wheelbase of 1410mm. The seat height of the Z900 is 795mm, while the Z650 has a slightly lower seat height of 790mm. In terms of weight, the Z900 is heavier with a kerb weight (with ABS) of 210kg, while the Z650 is lighter with a kerb weight (with ABS) of 187.1kg.

Kawasaki Z650 2021

Now let's discuss the strengths and weaknesses of each bike. The Z900 2018 is praised for its powerful and silky engine, great sound, sharp and sporty look, low seating position, and easy handling and manoeuvrability. On the other hand, it is criticized for its lack of traction control and the knee angle being strenuous for tall riders in the long run.

The Z650 2021, on the other hand, is appreciated for its accessible two-cylinder engine, compact dimensions, low seat height, stable chassis, TFT display with connectivity, and grown-up look. However, it is mentioned that it may be uncomfortable for tall riders and the adrenaline level in the saddle is lower compared to the competition.

In conclusion, while the Kawasaki Z900 2018 offers more power, torque, and advanced features like traction control, the Kawasaki Z650 2021 is praised for its compact dimensions, low seat height, and stable chassis. The choice between the two would depend on the rider's preferences and priorities, such as power, comfort, and riding style.