Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 215Get this manual

Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 215

CYLINDER HEAD
Camshaft Oil Seal Installation
1If removedinstall Oil SealPosition seal so part number side in facing outwardPress seal in until it makes contact with the inside flat surface
a "Upper Camshaft Oil Seal

Camshaft Installation
1Apply engine oil to the main journals (3 places) on the camshaft2Slide camshaft into cylinder head (threaded end towards driven gear)3Install camshaft retaining boltTighten bolt to the specified torque(a Camshaft Retaining Bolt

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