1998 Johnson Evinrude "EC" 125C, 130, 200, 225, 250 90 deg LV Service Manual, P/N 520212, Page 265Get this manual
8Clean and degrease the adapter housing and outer exhaust housing mating surfaces with OMC Cleaning SolventApply OMC Gel Sealto the adapter flange of the outer exhaust housing9Install the adapter housing on the outer exhaust housing Align the water tubeLoosely install the small retaining screws and one nut10Lubricate the upper mount with soapy water and push into place in the adapter housingThe mount radius must face aft and the "TOP" mark must face up
11Apply OMC Locquic Primer and OMC Nut Lock to the upper mount plate screws and install the plate and screws looselyInstall the ground lead and star washer under the forward starboard screw12Align the outer exhaust housing and adapter by placing powerhead mounting screws through their holes13Torque the mount plate screws to 22-24 ftIbs(30-33