1991 Johnson/Evinrude EI 60 thru 70 outboards Service Manual, Page 159Get this manual
37Check condition of thermostat seal To remove the seal, use OMC Puller Bridge PIN 432127 and OMC Small Puller Jaws PIN 432131 Install new seal with "TO THERMOSTAT" of the seal facing out 129) 38To assemble the thermostat, insert pin into vernatherm
wit" convex end of pin facing out1301 39Position vernatherm and spring into halves of thermostat housingAssemble halves togetherrJ1l 40Install the thermostat into the cylinder head with threaded end of thermostat facing out32 41Lightly coat both sides of new thermostat cover gasket with OMC Gasket Sealing CompoundPosition the gasket and relief spring42Install the thermostat coverInstall the screws and torque them to 60-84 inIbs(7-9 Nm)9664