1976 Evinrude 40HP outboards Service Manual, Page 57Get this manual
gInstall cylinder head, using new gasket coated lightly with OMC Gasket Sealing CompoundRecheck for bindingTighten cylinder head bolts to specified torque, following the sequence shown in Figure 5-38
_ NOTE Re-torque cylinder head screws after motor test has beencompleted and motor has cooled comfortable to touchSee Section 2ER
Figur 5-39Fuel Reci culating Valve0I
REASSEMBLY OF POWER HEAD TO EXHAUST HOUSING
aLubricate and install new internal "0" ring in crankshaftSee Figure 5-36Make sure that gasket surfaces of power head and exhaust housing assembly are cleanPlace new gasket in position on the exhaust housingCoat driveshaft splines with OMC Sea- LubeMoly LubeDo not coat top surface of shaft as lubricant here may prevent seating of driveshaft in crankshaft