Mercury Mariner 4, 5, and 6HP 4-Stroke Factory Service Manual, Page 152Get this manual

Mercury Mariner 4, 5, and 6HP 4-Stroke Factory Service Manual, Page 152

CYLINDER BLOCK AND CRANKCASE
14Pry out the upper oil seal
aUpper Oil Seal 15If the replacement of the upper ball bearing is necessary, use puller 91-83165M and pull out the bearing91-83165M

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