Model A was equipped with a front fork and a suspension. It improved its travelling stability by changing the size of its front and rear tire to 8-inch.
It was first manufactured to let the people experience the ride with an engine at an amusement park of the early 60s. Its production volume was extremely limited.
It adopted a rear shock absorber, a raised exhaust, and block-patterned tires. Its tank capacity has been enlarged to 4L. Its front detachable structure had been abolished.
It adopted a tear-drop shaped fuel tank, and altered the design of its seat, carrier, exhaust guard and blinker. It also newly adopted a bigger headlight.
It underwent a minor change by changing its carburetor, having a new seesaw type pedal that will do little damage to the shoe, and changing the color of the exhaust protector to black.
It was the first commercially sold MONKEY. It adopted a 5-inch tire, a retractable handle and a seat. It was the original style of an adventure bike that could be stored inside an automobile trunk.
It was a Z50A based bike. The front parts were detachable and the rear brake was changed from left lever type to right pedal type. It also came with a center stand.
It was a compact motor scooter that could be stored inside the CITY, the HONDA automobile that was designed in a Tall Boy style. Its handlebar, seat or footpegs could be folded up.
The final model which equipped the Z1 series engine. Likewise Z1100GP, it adopted the DFI (digital fuel injection) system, and increased its power to 120PS.
It was the motard specification bike that was developed at the same time as the KLX125. It adopted a Φ 35 inverted fork for its front suspension and shortened its suspension stroke to 150mm.