Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 398Get this manual

Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 398

NON-BIGFOOT GEAR HOUSING
6Inspect forward gear tapered bearing and race for rust, roughness or excessive wear
(looseness)
7If bearing is in serviceable condition, DO NOT remove bearing from gear, as removal process will damage bearing8If bearing must be replacedremove bearing from gear using Universal Puller Plate

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