2005 SO Johnson 4 Stroke 9.9-15HP Outboards Service Manual, Page 141Get this manual

2005 SO Johnson 4 Stroke 9.9-15HP Outboards Service Manual, Page 141

POWERHEAD CYLINDER HEAD ASSEMBLY PIN 5000899, and tweezers to remove valve cotters while compressing valve springRemove valve stem seal and valve spring seat

Valve stem seal Valve spring seat

CleaningInspection
Cylinder Head
Remove all carbon from combustion chambers
IMPORTANT: Do not use sharp edged tools to
scrape carbon off cylinder head or componentsBe careful not to scuff or nick metal surfaces

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