1994 Johnson/Evinrude "ER" 9.9 thru 30 outboards Service Manual, Page 235Get this manual
1017Lightly oil pinion splines of the driveshaftSlide the driveshaft through the impeller housing and impeller until drive pin flat of the driveshaft is below the impeller l!J
1sl8Align drive cam flat with groove of the impellerInstall the impeller drive cam Sharp edge CD of the cam is leading edge during driveshaft rotation Q)Slide the impeller housing down the driveshaftEngage the impeller with the cam Verify that the impeller engages the impeller cam properlySerious powerhead damage will result if impeller cam is displaced9Lightly coat both sides of new impeller plate gasket with OMC Gasket Sealing CompoundPlace gasket on the gearcase10Place the impeller plate over the gasket11Slide the driveshaft down into the gearcase and engage the pinionr,Ql12Turn the driveshaft until holes ofthe impeller housing are aligned with holes of the gearcasePlace the washers on the six impeller housing screwsApply OMC Gasket Sealing Compound to the threads of the screwsInstall and tighten the screws to torque of 60-84 inIbs(7-9 Nm)