The first generation model of the YAMAHA motor scooter JOG, which is inherited up till now. It had mounted an air-cooled 2-stroke engine that generated 4.5PS on its lightweight & compact body, and moved in a brisk manner.
It aimed to be the world's fastest model in the 20th century, and marked 175 horsepower, which was the highest score for a mass production motorcycle. It also achieved 300km/h at our test; the first model to reach this level.
It was the first 4-cylinder cruiser model that was based on the Z400FX. It had the same exact engine as the Z400FX and had its suspension parts improved. Its specification had been fed back to the E4 series of the FX.
A new model that was born from the Z400FX which underwent a full model change. The light frame was equipped with an air fork that had an equalizer tube and an Uni-Trak suspension. It had an improved driving ability.
KAWASAKI, which had achieved an overwhelming victory in the big bike market, had brought this model to the 400cc class. The smooth movement of the 4-cylinder engine and the wild performance at its high rotation range, fascinated the fans, It became a huge success with its big body that made it look like one class bigger.
Even though it was a single cylinder model, it was equipped with a YDIS that had two types of carburetors. It combines the front semi-air suspension with the rear mono-cross suspension.
It was the YAMAHA 400 naked model that mounted the newly designed 14-degrees forwardly inclined air-cooled 4-valve DOHC FOUR engine with an oil cooler.
The derived model of the XJ series. Though its basic framework was the same as Z-S, it had a frame mounted half-cowl and under cowl to upgrade its stability.