1993 Johnson Evinrude "ET" 9.9 thru 30 Service Manual, P/N 508282, Page 214Get this manual
Ig1 r,Ql 5Slide the mount housing bumper into place between
the lower front mount and the exhaust housingPosition the port and starboard lower mount housingsClean the threads of the four lower mount housing screws and apply OMC Screw Lock to threads of the screwsInstall the two side lower mount screws, then install the two front screwsTighten all four screws to torque of 144-168 inIbs(16-19 Nm)Place new seals on the screwsPosition the gasket and install the muffler
101 6Apply OMC Gasket Sealing Compound to new idle relief