Kawasaki Z650 2023 vs. Kawasaki Ninja 400 2018

The Kawasaki Z650 2023 and the Kawasaki Ninja 400 2018 are both motorcycles produced by Kawasaki, but they differ in several aspects.

In terms of the motor and drivetrain, both motorcycles have an inline engine. The Z650 has a larger bore of 83 mm compared to the Ninja 400's 70 mm, which means the Z650 has a larger cylinder diameter. The stroke of the Z650 is also longer at 60 mm compared to the Ninja 400's 51.8 mm. These differences in bore and stroke contribute to the Z650 having a higher engine displacement of 649cc compared to the Ninja 400's 399cc. As a result, the Z650 has a higher power output of 68 HP compared to the Ninja 400's 45 HP. The Z650 also has a higher torque of 65.7 Nm compared to the Ninja 400's 38 Nm. Both motorcycles have a fuel injection system and liquid cooling.

In terms of suspension, both motorcycles have a telescopic front fork and a monoshock rear suspension. The Z650 has a larger front fork diameter of 41 mm compared to the Ninja 400's 41 mm. Both motorcycles have adjustable pre-load for the rear suspension.

Kawasaki Z650 2023

In terms of the chassis, both motorcycles have a steel frame with a tubular design. The Z650 has a larger rake angle of 65.5 degrees compared to the Ninja 400's 63 degrees. The Z650 also has a larger trail of 100 mm compared to the Ninja 400's 93 mm.

In terms of braking, the Z650 has dual disc brakes at the front with a diameter of 300 mm and a dual-piston caliper. The Ninja 400 has a single disc brake at the front with a larger diameter of 310 mm and a dual-piston caliper. Both motorcycles have petal technology for their brakes. Both motorcycles are equipped with ABS.

In terms of dimensions and weight, the Z650 has a wider front tire of 120 mm compared to the Ninja 400's 110 mm. The Z650 also has a wider rear tire of 160 mm compared to the Ninja 400's 150 mm. Both motorcycles have a 17-inch wheel diameter for both the front and rear tires. The Z650 has a longer wheelbase of 1410 mm compared to the Ninja 400's 1370 mm. The Z650 also has a higher seat height of 790 mm compared to the Ninja 400's 785 mm. The Z650 is heavier with a curb weight of 187.1 kg compared to the Ninja 400's 168 kg. Both motorcycles have a fuel tank capacity of 15 liters for the Z650 and 14 liters for the Ninja 400.

Kawasaki Ninja 400 2018

Now let's compare the strengths and weaknesses of each motorcycle. The Z650 has the advantage of being very accessible in terms of handling. It is compact and easy to maneuver, giving small riders a lot of confidence. The Z650 also has adjustable levers, allowing riders to customize their riding position. On the other hand, the Z650 has a few weaknesses. It may not have enough space for tall riders, and it may feel smaller than other 650cc motorcycles. The engine may also feel slightly underpowered, and the seating position is very defensive. Additionally, the handlebars are too narrow for a naked bike.

The Ninja 400, on the other hand, has a chassis suitable for sporty riding and offers effortless handling due to its reduced weight. The engine provides a smooth response, and the relaxed seating position increases rider confidence. The Ninja 400 also has LED headlights, which provide better visibility. However, the Ninja 400 has a couple of weaknesses. The brake and clutch levers are not adjustable, which may not suit all riders. Additionally, the wind noise can be quite high with the stock windshield for riders over 180 cm tall.

In conclusion, the Kawasaki Z650 2023 and the Kawasaki Ninja 400 2018 have their own strengths and weaknesses. The Z650 excels in accessibility and maneuverability, while the Ninja 400 offers a sportier chassis and a smooth engine response. Riders should consider their preferences and requirements to choose the motorcycle that best suits their needs.