1984-1986 Mercury Force 9.9 and 15HP Outboards Service Manual, Page 56Get this manual
NOTE Check position 01 connecting rodsMatch
DClean and deg rease outside casing 01 lower
main bear ingLubricate rollers with SAE #30 oil
marks should lace transfer port side of
cylinder blockSlide lower main bearing on to crankshaft with lettered side outFigure 34
BPlace main bearing liner in cylinder, lining up hole in iner with hole cylinderFigu 32CApply small amount 01 grease to liner (Special Tool NoT 2961), and place rollers