Mercury Mariner 4, 5, and 6HP 4-Stroke Factory Service Manual, Page 169Get this manual

Mercury Mariner 4, 5, and 6HP 4-Stroke Factory Service Manual, Page 169

CYLINDER BLOCK AND CRANKCASE
17Install the lifters at this time18Reassemble the camshaftAlign the mark on the camshaft with the mark on the timing gearCAM ID (19992000) (19992000) (2000) 456 (2001)

4-Stroke Outboard Oil (92-828000A12)