While keeping the concept of the ZZ-R1100, which was the top model of the series, it established a GT machine category in the 400 class. The new ALCROSS frame mounted a new engine to pursue its comfort.
An emblem "X (kai)" had been added to its side cover. The new engine was changed to 4-valve style. It had improved its response by having K-TRIC, and focused on the mid-low speed range.
It made its debut while the racer replica models were enjoying their best days. The conventional styling that was reminiscent of the Z2 created the word "naked". The model name "ZEPHYR" meant "west wind".
It was a racer replica model that incorporated the technology earned from the racing machine ZXR-4. It was transformed from the former model ZX-4, which had a subdued design, into a racer like style. It was the first commercially sold street model to adopt an inverted front fork, and received public attention.
It adopted a simple and nostalgic looking design. It was a naked model that sought a new standard. It achieved a powerful drive by adopting a wide-ratio 5-speed transmission and the reputable engine of the CB400SF.
The King of Z was first introduced to the world at the 1978 Cologne Motor Show to become the world's flagship model. Its water-cooled DOHC 6-cylinder engine had a long stroke (bore x stroke: 62 x 71mm) to suppress its width, and held down the cylinder pitch as much as possible.
HONDA had poured in its latest technology to this MY04 to make it progress dramatically. It featured equipment such as the 998cc upgraded engine, the PGM-DSFI, or the unit pro-link. It came in Repsol color, too.
Upgraded the traditional oil-cooled straight four engine to 1401cc and mounted it on its steel pipe frame. It had sufficient equipment to move as a sports tourer model, such as Φ 34 FI or the 6-speed transmission (first to be adopted on a motorcycle of this class).
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.