Mercury Mariner Outboard 225 3 Litre Service Manual 1994, Page 151Get this manual
4Align hole in each center main bearing race with dowel pin 5Genlly push crankshaft down into position making sure that the dowel pins are lined up with the holes in center main bearings and crankshaft seal rings are in place Piston and Connecting Rod ReassemblyPlace needle bearings on clean piece of paper and lubricate with Quicksilver Need le Bearing Assembly Lubricant (92-42649A1)
NOTE: There are 34 needle bearings per piston 2Place sleeve which is part of pislon pin 1001 (91 74607A1into connecting rod and install needle bearings around sleeve as shown51705 Lubricate lower crankshaft end (oil seal area) with light oil, then install lower end capSecure end cap 10 cylinder block with attaching boltsDO NOT tighten end cap bolts at this time