1984-1986 Mercury Force 4HP Outboards Service Manual, Page 49Get this manual
4Install crankshaft: ALay crankshaft into cyl inder ith bearing retainer ring in groove of cyl inderFigure 30BInstall upper crankshaft bearing, lettered end up, bottom even with inside wall 01 cylinderFigure 30RETAINER RING LOWER CRANKSHAFT SEAL UPPER BEARING
LOWER CRANKSHAFT SEAL RETAINING RING
MATCH MARKS
TOP SEAL
UPPER CRANKSHAFT BEARING
Figure 31 Aligning Match MarksCApply sealant (Special Tool NoT 29631) to thr eads at connecting rod screwsInstall screws and torque to 80 inIbs
6Assemble cr ankcase cover:
ALIGNMENT
Figure 30Installing Crankshaft