2001 Mercury Mariner 50-60HP Factory Service Manual, Page 461Get this manual
BIGFOOT GEAR HOUSING
21Backlash Indicator Tool (91-78473) 2.31:1 Gear Ratio (1330)
22Puller Bolt (91-85716)
23Dial Indicator Adaptor Kit (91-83155)
24Bearing Puller Assembly (91-83165M)
25Bearing Installation Tool (91-856875A1)