Kawasaki Ninja 1000SX 2021 vs. Kawasaki Z900 2021

The Kawasaki Ninja 1000SX 2021 and the Kawasaki Z900 2021 are both powerful motorcycles with inline four-cylinder engines and liquid cooling. However, there are several key differences between the two models.

In terms of power, the Ninja 1000SX takes the lead with 142 horsepower, while the Z900 offers 125.4 horsepower. The Ninja also has a higher torque rating of 111 Nm compared to the Z900's 98.6 Nm. This means that the Ninja 1000SX will likely offer faster acceleration and better overall performance.

Both motorcycles feature fuel injection systems and chain transmissions, ensuring smooth and efficient power delivery. They also have four-stroke engines with four strokes per cycle.

When it comes to suspension, both bikes have a telescopic fork at the front and a swingarm at the rear. However, the Ninja 1000SX offers slightly more travel with 120mm at the front and 144mm at the rear, compared to the Z900's 120mm and 140mm, respectively. The Ninja also offers more adjustment options for the suspension, including compression, preload, and rebound.

Kawasaki Ninja 1000SX 2021

In terms of chassis, the Ninja 1000SX features an aluminum frame, while the Z900 has a steel frame. Aluminum frames are generally lighter and offer better handling, while steel frames provide more rigidity.

Both motorcycles have dual disc brakes at the front with a diameter of 300mm and four-piston calipers. However, the Ninja 1000SX features radial, monoblock, and petal technology, which can provide better braking performance and heat dissipation.

In terms of advanced rider assistance systems, both motorcycles offer ABS, riding modes, ride-by-wire throttle, and traction control. However, the Ninja 1000SX has additional features such as ABS for curves and quick shifter, which allows for seamless gear changes without using the clutch.

Kawasaki Z900 2021

In terms of dimensions, the Ninja 1000SX has a wider front tire at 120mm compared to the Z900's 120mm. However, the Z900 has a wider rear tire at 180mm compared to the Ninja's 190mm. Both motorcycles have a 17-inch wheel diameter and a similar wheelbase, with the Z900 having a slightly longer distance between the axles at 1450mm compared to the Ninja's 1440mm. The seat height is also lower on the Z900 at 795mm compared to the Ninja's 834.98mm.

In terms of weight, the Z900 is lighter at 210kg compared to the Ninja's 235kg (both weights are with ABS). This could potentially result in better maneuverability and agility for the Z900.

In terms of equipment, both motorcycles feature LED daytime running lights, LED headlights, and TFT screens. However, the Ninja 1000SX has the added feature of an adjustable windscreen, allowing the rider to customize the level of wind protection.

In summary, the Kawasaki Ninja 1000SX 2021 offers more power, better suspension adjustment options, and additional advanced rider assistance features compared to the Kawasaki Z900 2021. However, the Z900 has a lower weight, potentially offering better maneuverability. Both motorcycles offer good equipment and a sporty appearance, making them attractive options in their respective categories.