1989 Johnson Evinrude "CE" 9.9 thru 30 Service Manual, P/N 507754, Page 204Get this manual
1sl 8Remove the three screws retaining the idle relief mufflerRemove the mufflerDiscard the muffler gasket and seals from the screws 1n1'-;;;;} 9Remove the two remainingmount housing screws from the port lower mount housingSeparate and remove the port and starboard lower 1')10unt housingSlide the mount housing bumper from between the lower front mount and the exhaust housingr.J1l 10Remove the nuts and washers from the two upper side
r:;::J 11Remove the nut and the washer from the upper front mountSeparate the exhaust housing from the swivel bracket assembly
f131 12Remove 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
r,Ql 13Remove the upper side mounts ID and the lower front mount from the exhaust housing