1992 Johnson Evinrude "EN" 9.9 thru 30 Service Manual, P/N 508142, Page 214Get this manual
[";13Clean all sealant from the threads on the two upper mount bracket to steering bracket screwsSpray threads of screws with OMC Locquic PrimerApply OMC Nut Lock to threads of screwsPosition the swivel bracket assembly on the exhaust housingInstall the two upper mount bracket screws and mount link Tighten screws to torque of 96-120 inIbs(11-14 Nm) r:::=J Use extreme caution when installing the upper mount
bracket screwsBe careful not to pinch or tear the sealf714Place the lateral mounts in the lower mounts bracketsApply OMC Gasket Sealing Compound to threads of lower mount bracket screwsInstall the lower mount bracketsTighten screws to torque of 60-84 inIbs(7-9 Nm)1sl5Position new idle relief muffler gasketInstall the muffler to the exhaust housingApply OMC Nut Lock to the muffler's retaining screw threadsTighten the screws to torque of 48-60 inIbs(5-7 Nm)6Position the lower engine cover on the exhaust housing