2003 Johnson ST 6/8 HP 4 Stroke Outboards Service Repair Manual, PN 5005471, Page 158Get this manual
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POWERHEAD ASSEMBLYHP
Apply Triple-Guard grease to new a-ring seal and install in breather coverApply Nut Lock to cover screwsInstall cover and torque screws to 36 to 60 inIbs(4 to Nm)