Mercury Mariner V-250 V-275 Outboard Service Shop Manual 1990, Page 258Get this manual
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12 Apply Quicksilver Special Lubricant 101 (92-79214A 1) on threads of collarInstall collar (area without threads toward pinion gear) and torque to 100 lbft(136.0 Nm) using Collar Tool (91-93227) aCol