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The JE single piston sized 3.937 for Honda XR650L applications. Offered as an individual replacement piston, it is intended for engine rebuilds and maintenance requiring the correct bore size. The overview emphasizes accurate fit and practical use: this single piston provides the sizing needed to restore proper piston-to-cylinder clearance during a service or top-end refresh on the XR650L.
JE Pistons 3.937 Honda XR650L Piston Single
