Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 220Get this manual

Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 220

CYLINDER HEAD
Cylinder Head Installation
1Apply engine oil to the threads of each bolt and seat surfaceTorque bolts in sequence and in two steps

4-Slroke Outboard Oil (92-828000A12)