Mercury Mariner V-250 V-275 Outboard Service Shop Manual 1990, Page 133Get this manual
DESIGN II upper beari ng carrie FOR THE FOLLOW ING SERIAL NUMBER 275 HP MODELS ONLY:00086818 and Up XL00086876 and Up XX00090719 and Up aApply thin ead of LOCTITE 27 to outer diameter oil sealbUsing su itable mandrel, press oil seal into upper bearing carrier (LIP FAC ING DOWNuntil flu sh ith TOP of bearing carrierRemove any excess LOCTITEcLubricate oil seal lip with NEEDLE BEARING ASSEMBLY LUBRI CA NT (92-42649Al ) 11 lnstall crankshaft as followsaLubricate crankshaft sealing ri ngs with light il bCheck cylinder block to be su re that dowel pins are in placecPositi on all cran kshaft seal ring gaps straig ht updA lign hole in upper bearing carrier and ce ntermain bearing races ith dowel pinseGently push crankshaft dow into position making sure that dowel pins are lined up with the ho les in cen terma in bearings and upper bearing carrier and crankshaft seal rings are straight up51473A