2001 Mercury Mariner 50-60HP Factory Service Manual, Page 290Get this manual
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CLAMPSWIVEL BRACKETSDRIVE SHAFT HOUSING
8 10 (HANDLE VERSION) 13
2-4-C With Teflon (92-825407A12)TORQUE NUT 120 LB(13.5 N_M) AND THEN BACK OFF 14 TURN