1988 Johnson Evinrude "CC" 9.9 thru 30 Service Repair Manual, P/N 507660, Page 287Get this manual
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COA3432
gearcase using OMC Upper Driveshaft Seal Installer, PIN 330655, attached to OMC Drive Handle, PIN 378737 Apply OMC Gasket Sealing Compound to the metal casing of the seals before install