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The JE single piston for the 2021 Kawasaki KX250 Pro Series is sized at 78mm with a 14.5:1 compression ratio and sold individually for single‑cylinder replacement. Intended for engine rebuilds or repair work on that model, it aligns with the listed bore and compression specifications. This piston suits tasks where one cylinder requires replacement without changing the entire piston set.
JE Pistons 2021 Kawasaki KX250 PRO SERIES 78MM/14.5 Piston Single
