Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 446Get this manual

Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 446

BIGFOOT GEAR HOUSING
Upper Drive Shaft Bearing
1Replace upper drive shaft bearing and sleeve if either are rust stained, or if bearing will not roll freelyRemove bearing and then sleeve using Puller Assembly (91-S3165M) with suitable jaws