1997 Johnson Evinrude "EU" 9.9 thru 30 2-Cylinder Service Manual, P/N 507263, Page 180Get this manual
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47Place the thermostat and the seal in the cavity provided in the cylinder headSet the spring on top of the thermostat48Apply OMC Gasket Sealing Compound to both sides of new cylinder head water cover gasket; install the gasket and coverStarting with the center screws and working outward, tighten the screws to torque of 60-84 inIbs(7-9 Nm)Install the cylinder head screws dryDo not use sealant on threads49Install the inner and outer exhaust coversCoat both sides of two new gaskets with CWIC Gasket Sealing CompoundInstall the screwsStarting with the center screws and working outward, tighten them to torque of 48-84 inIbs(5-9 Nm)50Apply bead of OMC Adhesive to both sides of new bypass cover gasketInstall the gasket and bypass coverTighten the screws to torque of 60-84 inIbs(7-9 Nm)