1993 Johnson Evinrude "ET" 9.9 thru 30 Service Manual, P/N 508282, Page 213Get this manual
'al8Remove the three screws retaining the idle relief mufflerRemove the mufflerDiscard the muffler gasket and seals from the screws l!J
9Remove the two remaining lower mount housing screws from the port lower mount housingSeparate and remove the port and starboard lower mount housingSlide the mount housing bumper from between the lower front mount and the exhaust housing
f11110Remove the nuts and washers from the two upper side mounts112111Remove the nut and the washer from the upper front mountSeparate the exhaust housing from the swivel bracket assemblyf13112Remove the two screws retaining the cover mount bracket to the exhaust housing and remove the bracketRemove and discard the exhaust housing to lower engine cover seal f111 f1Ol13Remove the upper side mount.s and the lower front mount from the exhaust housmg'1Ol14Remove the nuts from inside of the exhaust housing that retain both lower side mounts to the exhaust housing15Refer to Cleaning and Inspection at the beginning of this sectionAssembly and Installation