1998 Johnson Evinrude "EC" 90, 100C, 105C, 115, 150, 150C, 175 60 deg. LV Service Manual, P/N 520210, Page 269Get this manual
Installation
1Apply OMC Adhesive sealant to lower exhaust housing seal inner surfacesPosition two new seals on housing Apply OMC Triple-Guard grease to seal outer surfaces and position housing on jet drive housing2Slide 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
3Apply OMC Gasket Sealing Compound to threads of jet housing retaining screws and rear exhaust housing screwInstall two 38 -16 2V2 inscrews in forward holes CD and two 38-16 inscrews in rear holes Q)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 Adjustment
5When proper clearance adjustment is achieved, torque impeller nut to 16-18 ftIbs(22-24 Nm)6Using new tab-lock washer, bend tabs around driveshaft nut to secure the assembly