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The exhaust valve 14721-F8A is designed for use with the SYMPHONY ST motorcycle model. This component is a critical part of the engine's exhaust system, regulating the flow of exhaust gases out of the combustion chamber. Crafted from high-quality materials, the 14721-F8A exhaust valve offers durability and reliability, ensuring efficient engine performance and emission control. Specifically tailored for the SYMPHONY ST model, this exhaust valve provides a precise fit and seamless integration into the motorcycle's engine assembly, helping to optimize combustion and enhance overall power delivery. Whether you are looking to upgrade or replace the exhaust valve on your SYMPHONY ST motorcycle, the 14721-F8A is a reliable choice that can contribute to improved engine efficiency and performance.