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The JE single piston for the Yamaha YZF‑R3 is supplied individually and specified with a 13.0:1 compression ratio for the listed application. Designed for single‑cylinder replacement during maintenance or rebuilding, it aligns with the model’s bore and compression needs as stated in the product description. This single‑unit option helps restore combustion parameters when servicing one cylinder.
JE Pistons Yamaha YZF R3 13 to 1 Piston Single
