2003 Johnson ST 6/8 HP 4 Stroke Outboards Service Manual, PN 5005471, Page 163Get this manual
POWERHEAD ASSEMBLYHP IMPORTANT: DO NOT adjust tappets at this timeTappets must remain free from contact with valvesApply Gasket Sealing Compound to casing of new camshaft seal, and oil to the seal lipsPlace seal, casing up, on cam Lubricate wrist pin and wrist pin bore with oil and assemble wrist pin, rod, and pistonPush wrist pin through piston and rod
IMPORTANT: When starting seal over the cam,
be sure the lips fit properly and the seal is square in the boreUse Camshaft Seal Installer, PIN 342668, and hammer to tap the seal into placeTap until installer contacts the cylinder head