Mercury Mariner V-250 V-275 Outboard Service Shop Manual 1990, Page 248Get this manual
2 Apply Loctite 271 (92-32609-1) to outside diameter of oil seals3With seal lip facing towards bearing, press inner seal
using long end of mandrel (91-31108) into bearing carrier until mandrel shoulder bottoms out on bearing carrier
With seal lip facing towards mandrel, press outer sealusing short end of mandrel (91-31108)into bearing carrier until mandrel shoulder bottoms Qut on bearing carrier