2004 SR Johnson 2 Stroke 9.9, 15, 25, 30 HP Outboards Service Repair Manual P/N 5005638, Page 204Get this manual
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POWERHEAD ASSEMBLY9.915
Lightlyboth sides of new cylinder head gasket with Gasket Sealing CompoundInstall the gasket and cylinder headTighten the cylinder head screws in stages to the final torq