Mercury Mariner 25HP 4-Stroke Outboard Service Manual 1997, Page 249Get this manual
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Special Tools 1 Bearing-PIN 31-85560
cPlate-PIN 91 -29310dShan-PIN 91-31229
7 Driver Head-PIN 91-373 128 Driver-PIN 91-817011
62 LOWER UNIT
90-854785 MAY 1997