Kawasaki Motorcycle Corporation is the powersports division of Kawasaki Heavy Industries, a major Japanese industrial company with roots stretching back to the late 19th century. Originally built on engineering expertise from shipbuilding, aerospace, and machinery, Kawasaki entered the motorcycle business in the mid-20th century and quickly established itself as a serious performance-driven brand. Over the decades, it has built a strong global reputation, particularly through its Ninja series of sport bikes, and is recognized as one of the "Big Four" Japanese motorcycle manufacturers alongside Honda, Yamaha, and Suzuki.