Mercury Mariner V-250 V-275 Outboard Service Shop Manual 1990, Page 199Get this manual
CLEANING AND INSPECTION
1Clean forward gear and bearings with solvent and dry with compressed ai r
Reassembly and Installation E-Z Shift Gear Housing
Drive Shaft Needle Bearing
REASSEMBLYI INSTALLATION
.il.CAUTION
DO NOT spin bea rings ry with compressed air, as this could cause bearing to score