Mercury Mariner V-250 V-275 Outboard Service Shop Manual 1990, Page 188Get this manual
5Remove gear housing cover nut with Cover Nut Tool (C-91-6 1069) 6After cover nul has been removed, remove tab washer from gear housing aCover Nut Tool (C-91-61069)
7Use long Puller Jaws (C-91-46086A1) and Puller 801t (C-91-85716), to remove bearing carrier(Use propeller thrust hub to maintain outwa rd pressure on puller jaws NOTEWhen bearing ca rrier is removed from gear housingthe bea ring carrier ali gnment key wi ll come oul with it
aShilt Shaft BushingShift Shall"E" RingRetaining Ring