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The JE single piston for 2019 Yamaha YZ250F is a 77 mm piston with a 14.5:1 compression ratio, supplied singly for that application. It targets one-cylinder rebuilds and repairs on the 2019 YZ250F where both the bore size and compression spec are required, simplifying part selection and ensuring the replacement matches the engine's intended configuration.
JE Pistons 2019 YZ250F 77MM 14.5 to 1 Piston Single
