2003+ Mercury Mariner 225 HP EFI 4-Stroke Service Manual, Page 335Get this manual

2003+ Mercury Mariner 225 HP EFI 4-Stroke Service Manual, Page 335

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CYLINDER HEAD
Valve Seats
VALVE SEAT RECONDITIONING 1 Clean the carbon deposits from the combustion chambers and valve seats and check for pitting2 Apply thin, even layer of Mechanic's blu