The Kawasaki R16030-2073 Valve Needle is an authentic OEM replacement part engineered for exact fit and optimal performance in a wide range of Kawasaki small engines. This critical component functions within the carburetor's fuel metering system, regulating fuel flow to maintain efficient engine operation. It is compatible with numerous Kawasaki FH, FS, FR, and FX series engines, commonly utilized in commercial lawn mowers, zero-turn mowers, and other outdoor power equipment. This part supersedes the previous Kawasaki part number R16030-2067, guaranteeing a direct and reliable replacement.