1998 Johnson Evinrude EC 5 thru 15 HP Four Stroke Service Manual, Page 173Get this manual
17Remove the rings from pistons using ring expanderDO
NOT save ringsInstall new set of rings with complete
powerhead service18Use tool, as drawn on Page 4-8, to remove wrist pin retaining ringsDiscard rings
19The fit between the wrist pin to piston bosses is loose on both sidesUse QIIC Wrist Pin RemoverInstaller, PI 342657, to remove wrist pin15