1993 Johnson Evinrude "ET" 90 degrees CV Service Manual, P/N 508285, Page 220Get this manual
Installation f11 1Apply OMC Adhesive sealant to lower exhaust housing seal inner surfacesPosition two new seals on housingApply OMC Triple-Guard grease to seal outer surfaces and position housing on jet drive housing 2Slide jet housing into place, making sure driveshaft engages crankshaft, water tube enters water pump, and lower inner exhaust housing does not slip out of position f21 f31 3Apply OMC Gasket Sealing Compound to threads of jet
housing retaining screws and rear exhaust housing screwInstall two 38 -16 2112 inscrews in forward holes and two 38-16 inscrews in rear holes Install rear spacer and screwTorque all screws to 18-20 ftIbs(24-27 Nm)4Install key, bushing, shims, tab-washer, and nut on driveshaftBe sure shims are placed in original positionRefer to Impeller Clearance Adjustmentf41 5When proper clearance adjustment is achieved, torque impeller nut to 16-18 ftIbs(22-24 Nm)f51 6Using new tab-lock washer, bend tabs around driveshaft nut to secure the assembly