Mercury Mariner 4, 5, and 6HP 4-Stroke Factory Service Manual, Page 132Get this manual

Mercury Mariner 4, 5, and 6HP 4-Stroke Factory Service Manual, Page 132

CYLINDER HEAD
Cylinder Head Installation
Refer to Section 4B for proper cylinder head installation procedures with torque specifications and sequences1Perform valve clearance adjustment at the beginning of this section2Install cylinder head cover with new gasket3Install spark plug