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The motorcycle exhaust valve 14721-GY6 is designed for the GY6 125CC model. This vital component plays a key role in the engine's exhaust system by regulating the flow of exhaust gases out of the combustion chamber. Made from high-quality materials, the exhaust valve ensures durability and efficient performance. Replacing a worn or damaged valve can improve engine efficiency and power, contributing to the overall function and longevity of the GY6 125CC.