1994 Johnson/Evinrude "ER" 60 thru 70 outboards Service Manual, Page 204Get this manual
Installation
1Apply OMC Gasket Sealing Compound to both sides of new impeller plate gasket Install the gasket and impeller plate
19l 2Apply OMC Needle Bearing Assembly Grease to flat area of
EI the driveshaftInstall the drive cam The sharp edge of the
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 positionVerify that the impeller engages the impeller cam properlySerious powerhead damage will result if impeller cam is displaced4Apply OMC Gasket Sealing Compound to threads of the four impeller screwsInstall the screws and tighten to torque of 60-84 inIbs(7-9 Nm)