2003+ Mercury Mariner 225 HP EFI 4-Stroke Service Manual, Page 549Get this manual

2003+ Mercury Mariner 225 HP EFI 4-Stroke Service Manual, Page 549

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GEAR HOUSING
aDriveshaft holder 91-888889 (stamped 06520)SocketBreaker bar

Inspection
1 Check the driveshaft for bends, discolor on bearing contact surfaces, wear on the drive