1988 Johnson Evinrude "CC" 9.9 thru 30 Service Manual, P/N 507660, Page 251Get this manual
[2J 5Position the impeller cup in the impeller housing as shown 6Apply thin bead of OMC Adhesive Mto the machined surface, on the top of the gearcase that contacts the impeller plateSlide the plate down over the drives haft and position it7Apply OMC Triple-Guard grease to the impeller drive pin and position it on the flat of the driveshaftInstall the impeller8 Apply thin bead of OMC Adhesive to the impeller housing mounting surface9Slide the impeller housing into position while rotating the driveshaft clockwisef81 10Apply OMC Nut Lock to the threads of the four impeller housing screwsInstall the screws with the two short screws positioned aft and the two long screws forward Tighten the screws to torque of 60-80 inIbs(7-9 Nm) COA 3501