2002/2003 Johnson SN/ST 2 Stroke 3.5, 6 8 HP Outboards Service Manual, PN 5005466, Page 161Get this manual
POWERHEAD INSTALLATION3.5
INSTALLATION3.5
Apply Moly Lube to the square end of crankshaftApply Gasket Sealing Compound on both sides of new powerhead gasketPlace the gasket on the exhaust housing and set the powerhead in placeApply Gasket Sealing Compound to the powerhead retaining screwsInstall the screws and torque to 60 to 84 inIbs(7 to Nm)
Install the ignition components as described in IGNITION sectionInstall the rewind starterTighten the screws to torque of 60 to 84 inIbs(7 to Nm)Install fuel tank and carburetor as described in FUEL SYSTEM section Install engine covers