Mercury Mariner Outboard 225 3 Litre Service Manual 1994, Page 149Get this manual

Mercury Mariner Outboard 225 3 Litre Service Manual 1994, Page 149

5Lubricate center main crankshaft roller bearings and races with light oil 8Secure center main bearing races together with
retaining ringsMake sure retaining ring bridges the separating lines of the bearing race
-Verify Retaining Ring Bridges the Separating Unes of the Bearing Race

I r-52318 5231 5
aCenter main Bearing Races

Install so Drive Shaft End of Crankshaft