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JE single piston for Yamaha Raptor 660 (5‑valve) is supplied as a standalone replacement for engine service and rebuilds. Sized for the 660 Raptor 5V application, it restores correct piston-to-cylinder clearance and combustion chamber fit. Keep this single piston available when performing top-end maintenance or replacing a worn piston on a Yamaha Raptor 660 5V engine.
JE Pistons 660 Yamaha Raptor 5V Piston Single
