Mercury Mariner 4 and 5HP 4-Stroke Outboards Service Shop Manual 1999, Page 111Get this manual

Mercury Mariner 4 and 5HP 4-Stroke Outboards Service Shop Manual 1999, Page 111

CYLINDER HEAD
4Place rag under the cylinder head to support the valvesUsing suitable box end wrenchdepress valve spring to release valve keepers Remove keepers (2), valve spring retainer, valve spring and valve spring seat

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