Mercury Mariner V-250 V-275 Outboard Service Shop Manual 1990, Page 203Get this manual
5Apply lig ht coat of Quicksilver Bearing Assembly Lubricant to bore in center of forward gear6Using short shou ldered side of BEARING DR IVER TOOL (91-86943) with numberedlettered side bearing toward shoulder of tool, press bearing into forward gear until bearing driver bottoms against gear 4Place Bearing Driver Cup (91-87120) over tapered bearing raceNOTE: used propeller shaft is recommended for use in Step 5If it is necessary, however, to use the propell er shaft that wi ll be in stalled in gear housing, the propeller shaft must be disassembled (Refer to "Propeller Shaft Disassembly", preceding 5Place propeller shaft into hole in center of Bea ring Driver Cup6Install bearing ca rri er assembly over propeller shaft and lower it into gear housingBearing carr ier acts as pilot to assure prope bearing race alignment7Th read nut onto propell er shaft to protect propeller shaft threads 8Use mal let to drive propeller shaft against Bearing Driver Cup until tapered bearing race is seated against shim (s)9Remove nut from propeller shaft, then remove bearing carrier and propeller shaft from gear housingLi ft bearing dri ver cu out of gear housing10Apply light coat of oil on tapered bearing race, hen place forward gear assembly into forward bearing race