2005+ Mercury Verado 4 Stroke 200/225/250/275 6 gear housing Service Manual, Page 108Get this manual
Left Hand Rotation
Do not spin bearings dry with compressed air, as this could cause bearing to score2Inspect the bearing carrier for signs of excessive corrosion especially in the area where the bearing carrier touches the gear housingIf excessive corrosion is evident replace the carrier
aBearing carrier
bInspect for corrosion
3The propeller shaft utilizes tapered roller bearing and cup for shaft support just forward of the bearing carrier sealsThe forward gear and bearing adapter assembly must be removed from the bearing carrier to gain access to the propeller shaft tapered bearing for inspection4Forward gear can be removed from the adapterbearing carrier assembly by rotating gear until forward gear sleeve tabs align with slots in adapterForward gear can then be removed from adapterbearing carrier assembly