TOBY steering damper kits for Kawasaki motorcycles

Kawasaki’s Aircraft Company began the development of a motorcycle engine in 1949, the development was completed in 1952 and mass production started in 1953.

The engine was an air-cooled, 148 cc, OHV, four-stroke single cylinder with a maximum power of 4 PS (2.9 kW; 3.9 hp) at 4,000 rpm.

In 1954, the first complete Kawasaki Motorcycle was produced under the name of Meihatsu, a subsidiary of Kawasaki Aircraft.

In 1960, Kawasaki completed construction of a factory dedicated exclusively to motorcycle production and bought Meguro Motorcycles.

 Source: https://en.wikipedia.org/wiki/Kawasaki_Heavy_Industries_Motorcycle_%26_Engine#References