The Kawasaki AR80K, also called Ninja 80R/RR in Malaysia, Micro Magnum in Thailand, is a motorcycle manufactured between 1992 and 1998, by Kawasaki Motorcycle & Engine Company, a division of Kawasaki Heavy Industries. It is a two-stroke engined motorcycle with a displacement, 6-speed transmission and a top speed of (Kawasaki Motors / Manufacturer's figures). It is related to the Kawasaki AR50 and AR125
The bike was released in two different types, one is air-cooled, which was mainly sold in UK and Japan, and the other one is the liquid-cooled which were released mainly in South East Asian and Middle Eastern markets, although a model was also put on sale on South American countries (Argentina & Uruguay) as the AR-80 Magnum Liquid Cooled and ultimately leading to another variant, the Ninja 100RR or KS100, the Ninja 100RR was also sold in Malaysia, contrary to popular belief that the AR was still in production up to the year model 2003, this is not true, as they are just simply left over from dealerships. While the air-cooled models were released in various countries worldwide. The Kawasaki KSR-80 II (only sold in Japan) also shares the same engine format.