This model was developed as the second generation Z1, and had the KAWASAKI magical number, 900cc. With its innovative fairing, it marked the maximum speed of 250km/h, which was an unprecedented record for a commercially sold motorcycle. Its 10.976 second quarter mile time made it the fastest model in the world.
It had full-fledged equipment, such as the dual carburetor, the frame that combined the feature of an oil tank, tube-less tires, or aluminum spoke wheels. Its sales was limited to 300 units.
A bike that is packed with the know-how of the NXR750, the winning model of the Paris-Dakar Rally. The cowl that is united with the tank not only prevents the wind, but it also has good protection ability.
It was the first Japanese motor scooter model to adopt a 360-degrees crank water-cooled DOHC twin engine with PGM-FI. It was equipped with a Φ 41 upright fork and a 5-stage initial adjusting rear suspension.
It was a big off-road bike that incorporated many aspiring ideas like the water-cooled DOHC engine, the flat valve CV carburetor, or the split-type frame.
It was developed as an export model, and mounted a 550cc engine on the 400 frame. It demonstrated a powerful ride that greatly exceeded that of 400. It was characterized by its front double disc brake.
It was the high grade model of the Z4ooLTD-II. Its thick stepped seat and a pull back handlebar made the ride comfortable. The power specification was the same as 550FX.
It adopted a high-tuned water-cooled horizontal 70-degrees V-twin engine and a shaft drive. It was brought to the Japanese market as the XZ550D equipped with a cowl.
The export model 550 was converted into the D-spec with a cowl to have it brought to the Japanese market. Even though its power had went down a bit, its torque had been raised. It traveled in a sufficient manner.
The export model 550 was brought to the Japanese market. It had a body 27kg lighter than the 750. It was the only model of that class to have a 6-speed transmission. It boasted of having a high maneuverability and power performance.