2003 Johnson ST 6/8 HP 4 Stroke Outboards Service Manual, PN 5005471, Page 159Get this manual
POWERHEAD ASSEMBLYHP Apply Gasket Sealing Compound to new intake manifold gasket and threads of manifold screwsInstall manifold on the powerhead and torque screws to 84 to 106 in.lbs(10to 12 Nm).lfflush plug was removed, torque to 60 to 84 inIbs(8 to 10 Nm)gasket and cover and torque screws to 84 to 106 inIbs(10 to 12 Nm)1Thermostat cover screws
1Intake manifold screws
Place spring into valve and install in pressure relief valve orifice in block45285