The Honda Z50R refers to a motorcycle

Motorcycle

A motorcycle is a single-track, two-wheeled motor vehicle. Motorcycles vary considerably depending on the task for which they are designed, such as long distance travel, navigating congested urban traffic, cruising, sport and racing, or off-road conditions.Motorcycles are one of the most...

 produced by Honda Motorcycles belonging to its Z Series family of mini bikes. It began production in 1979 as Honda's answer to the increasing demand for mini dirt bikes to be used on the track, as opposed to their traditional trail bike used more for leisure, such as the Z50A

Honda Z50A

The Honda Z50A was the second generation of Honda's Z50 Series of mini bikes. Though its predecessor, the Z50M, was available in Europe and Japan a few years previous, in 1968 the Z50A-KO "Hard Tail", sometimes referred to as the "High Bar" or the "Slantguard", was the first of the Z50 series to be...

 and Z50J

Honda Z50J

The Honda Z50J refers to a popular motorcycle produced by Honda Motorcycles belonging to its Z Series family of mini bikes. It began production in 1973 for the European and Japanese markets. In its first few years of production, it was the same as its American counterpart, the Honda Z50A...

. The Z50R quickly evolved into a light-weight mini racing motorcycle until 1999 when it was replaced by the XR50R in 2000. The Z50R turned out to be quite a reliable, strong, and enjoyable machine. It was initially disguised for smaller people but over time it became one of the first "Children's" motorcycles.