1993 Johnson Evinrude "ET" 60 thru 70 Service Manual, P/N 508284, Page 198Get this manual
Installation 1Apply OMC Gasket Sealing Compound to both sides of new impeller plate gasket Install the gasket and impeller plate Inl 2Apply OMC Needle Bearing Assembly Grease to flat area of
the driveshaftInstall the drive camThe sharp edge cam is the leading edge during driveshaft rotation
3Slide the water pump assembly down the driveshaftAlign impeller housing with the gearcaseRotate the driveshaft to engage the impeller cam with the impeller, and slide water pump assembly down over impellerBe sure impeller cam does not fall out of position