Keihin is a Japanese automotive and motorcycle parts brand of Astemo. At the past times, Keihin was a major supplier to Honda, who owned nearly half of Keihin's shares,[3] but also supplies other motorcycle manufacturers, among them Triumph, Suzuki, Kawasaki, KTM, Royal Enfield, and Harley-Davidson. In addition to carburetors, Keihin supplies the automotive industry with engine, transmission, and climate control products, including intake manifold assemblies, HVAC assemblies, compressors, valves, solenoids, and engine control units.[4]