Mercury Mariner V-250 V-275 Outboard Service Shop Manual 1990, Page 131Get this manual

Mercury Mariner V-250 V-275 Outboard Service Shop Manual 1990, Page 131

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Powerhead Reassembly 1 If removedspread new crankshaft sealing ring just enough to slide over crankshaft journal
aSealing Ring

2 Use Pisto Ri ng Expander (9 1-24697) an spread seali