1992 Johnson Evinrude "EN" 60 thru 70 Service Repair Manual, P/N 508144, Page 130Get this manual
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Sealants and Lubricants Required -
Inside Micrometer or Telescoping Gauge Cylinder Hone (fine) Emery Cloth (No120 and No180) Micrometer Feeler Gauge Markal Thermomelt Stiks or Pyrometer I