1993 Johnson Evinrude "ET" 60 thru 70 Service Manual, P/N 508284, Page 197Get this manual
Water Pump Servicing If the gearcase has been in service for any length of time, it is good policy to install water pump repair kitTo install the repair kit, proceed as follows: Removal r:jl 1Remove the four screws retaining the impeller housing to LJ the gearcasef21 2Slide the water pump assembly off the driveshaftRemove the impeller drive camimpeller plateand impeller plate gasket Discard the gasketDisassemblyAssembly f31 1Start by removing all parts from the housingInspect the housing for cracks or melting, and install new top plate The top plate locks into place in the housing with square index tab
141 2The liner now 'slides in and mates with the plate at the