1998 Johnson Evinrude EC 5 thru 15 HP Four Stroke Service Manual, Page 186Get this manual
8Apply atJK: Gasket Sealing Compound to new intake manifold gasket and threads of manifold screwsInstall manifold on the powerhead and torque screws in stages in sequence shownto84-106 inIbs10-12 Nm).lfflushplugwasremoved, torque to 60-84 inIbs(8-10 Nm)9Install thermostat housing, small spring, vernatherm, diaphragm and cup assembly, and washer
10Apply atJK: Gasket Sealing Compound to new thermostat cover gasket and screwsPlace large spring on diaphragm and cup assemblyInstall gasket and cover and torque screws to 84-106 inIbs(10-12 Nm)