1998 Johnson Evinrude "EC" 25, 35 HP 3-Cylinder Outboards Service Manual, Page 173Get this manual
3Apply soapy water to the outside surface of the upper and lower motor mountsPush them into the mount pockets in the exhaust housing until they seat
[] 4Apply OMC Nut Lock to the two upper motor mount screwsAttach the exhaust housing to the swivel bracket and secure with the two upper motor mount screwsTighten the screws to 312-336 inIbs(35,3-38 Nm)[] 5Apply OMC Nut Lock to the threaded end of the lower motor mount boltSecure the lower motor mount to the swivel bracket with the mount bolt, two flat washers, and locknutTighten the bolt and nut to 180-204 inIbs(20-23 Nm)