Kawasaki Z900 2021 vs. Kawasaki Z650 2023

The Kawasaki Z900 model year 2021 is a naked bike that boasts a powerful four-cylinder engine. With an engine power of 125.4 HP and a torque of 98.6 Nm, it offers impressive performance on the road. The fuel system is injection-based, and it has four cylinders and liquid cooling. The displacement of the engine is 948 ccm, providing ample power for any riding situation.

In terms of suspension, the Z900 2021 features an upside-down telescopic fork in the front and a swing arm with a monoshock in the rear. The rear suspension offers adjustment options for preload and rebound. The frame of the bike is made of steel, and it has a double cradle frame type, which ensures stability and durability.

When it comes to braking, the Z900 2021 is equipped with double disk brakes in the front with a diameter of 300 mm and four pistons. The braking technology used is petal, which enhances the bike's stopping power. The bike also comes with advanced rider assistance systems such as ABS, riding modes, ride by wire, and traction control, ensuring a safe and controlled riding experience.

In terms of dimensions and weights, the Z900 2021 has a front tire width of 120 mm and a diameter of 17 inches. The rear tire has a width of 180 mm and the same diameter of 17 inches. The wheelbase measures 1450 mm, and the seat height is 795 mm. With ABS, the bike weighs 210 kg.

Kawasaki Z900 2021

The Z900 2021 is equipped with LED daytime running lights, LED headlights, and a TFT display, providing excellent visibility and a modern look.

On the other hand, the Kawasaki Z650 model year 2023 is also a naked bike but with a slightly less powerful engine. It features an in-line engine with a power output of 68 HP and a torque of 65.7 Nm. The fuel system is injection-based, and it has two cylinders and liquid cooling. The displacement of the engine is 649 ccm, offering decent performance for everyday riding.

The suspension of the Z650 2023 consists of a telescopic fork in the front and a swing arm with a monoshock in the rear. The rear suspension offers preload adjustment. The frame of the bike is made of steel, and it has a tubular frame type, ensuring stability and strength.

In terms of braking, the Z650 2023 is equipped with double disk brakes in the front with a diameter of 300 mm and double pistons. The braking technology used is petal, providing reliable stopping power. The bike also comes with advanced rider assistance systems such as ABS and traction control, ensuring safety on the road.

Kawasaki Z650 2023

In terms of dimensions and weights, the Z650 2023 has a front tire width of 120 mm and a diameter of 17 inches. The rear tire has a width of 160 mm and the same diameter of 17 inches. The wheelbase measures 1410 mm, and the seat height is 790 mm. With ABS, the bike weighs 187.1 kg.

Similar to the Z900 2021, the Z650 2023 is equipped with LED daytime running lights, LED headlights, and a TFT display, providing excellent visibility and a modern look.

In terms of strengths, the Z900 2021 offers a powerful four-cylinder engine, intuitive handling, good equipment, aggressive looks, and value for money. On the other hand, the Z650 2023 excels in very accessible handling, being compact and easy to maneuver, giving small riders a lot of confidence, and having adjustable levers.

However, the Z900 2021 has some weaknesses, including the lack of a quickshifter option and being electronically behind competitors with a 6-axis IMU. On the other hand, the Z650 2023 has weaknesses such as not enough space for tall riders, looking smaller than a 650cc bike overall, having a tame engine, a defensive seating position, and narrow and cranked handlebars for a naked bike.