Kawasaki Z900 2020 vs. Aprilia Tuono 660 2021

The Kawasaki Z900 2020 and the Aprilia Tuono 660 2021 are both naked bikes that offer powerful performance and a sporty riding experience. However, there are some notable differences between the two models.

In terms of engine specifications, the Kawasaki Z900 2020 features an inline four-cylinder engine with a displacement of 948cc, producing 125.4 horsepower and 98.6 Nm of torque. On the other hand, the Aprilia Tuono 660 2021 is equipped with a parallel twin-cylinder engine with a displacement of 659cc, delivering 95 horsepower and 67 Nm of torque. While the Z900 has a higher power output, the Tuono 660 offers a more accessible and user-friendly engine with a good sound.

Both motorcycles come with liquid cooling systems to ensure optimal engine performance. They also feature fuel injection systems for efficient fuel delivery. However, the Z900 has four cylinders compared to the Tuono 660's two cylinders, which may result in different power delivery characteristics.

In terms of suspension, both bikes have a telescopic fork at the front and a swingarm with a monoshock at the rear. The suspension systems on both models offer adjustments for preload and rebound. The materials used for the swingarm are aluminum, which helps to reduce weight and improve handling.

Kawasaki Z900 2020

The chassis of the Kawasaki Z900 2020 is made of steel and features a twin-spar design, providing stability and rigidity. On the other hand, the Aprilia Tuono 660 2021 has an aluminum frame with a load-bearing engine, offering a stable and precise riding experience.

When it comes to braking, both motorcycles are equipped with dual disc brakes at the front. The Z900 has 300mm diameter discs, while the Tuono 660 has larger 320mm diameter discs. Both bikes feature four-piston calipers for powerful and responsive braking performance. The Z900 uses petal technology for its brake discs, while the Tuono 660 employs radial technology.

In terms of advanced rider assistance systems, both motorcycles come with ABS, multiple riding modes, and traction control. The Aprilia Tuono 660 also offers additional features such as launch control, quickshifter, anti-wheelie control, and a comprehensive IMU (Inertial Measurement Unit) package, although some of these features may come at an additional cost.

In terms of dimensions and weight, the Kawasaki Z900 2020 has a wider front tire (120mm) compared to the Tuono 660's front tire (also 120mm). Both bikes have the same rear tire width of 180mm. The Z900 has a longer wheelbase of 1450mm, while the Tuono 660 has a shorter wheelbase of 1370mm. The seat height of the Z900 is 795mm, while the Tuono 660 has a slightly taller seat height of 820mm. In terms of weight, the Z900 weighs 210kg (with ABS), while the Tuono 660 is lighter at 183kg (with ABS).

Aprilia Tuono 660 2021

In terms of equipment, both motorcycles come with LED headlights. The Kawasaki Z900 2020 also features LED daytime running lights and a TFT display, while the Aprilia Tuono 660 2021 only has LED headlights.

In terms of strengths, the Kawasaki Z900 2020 offers a powerful four-cylinder engine, excellent handling, good equipment, aggressive styling, and a good value for money. On the other hand, the Aprilia Tuono 660 2021 has an easy-to-use and good-sounding engine, a well-executed design, sporty performance, good ergonomics, decent brakes, extensive electronics (although some at an additional cost), and a stable and precise chassis.

In terms of weaknesses, the Kawasaki Z900 2020 has a slightly tiresome menu navigation and lacks a quickshifter option. The Aprilia Tuono 660 2021 has a less favorable price-to-performance ratio and additional costs for the IMU package.

Overall, both the Kawasaki Z900 2020 and the Aprilia Tuono 660 2021 are impressive naked bikes with their own unique strengths and weaknesses. Riders looking for a powerful and aggressive bike with good value for money may prefer the Z900, while those seeking a user-friendly engine, sporty performance, and extensive electronics (with potential additional costs) may lean towards the Tuono 660.