Mercury Mariner 4, 5 102CC Sail 1990 Outboard Service Shop Manual, Page 126Get this manual
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18 Apply Loct ite (271) Grade '.A"' to threads of sheave retaining nut and bolt19 Holding bolt, tighten nut (a) against Slarter housing to torque of 70 lbin(8 Nm) 21 .Holdi ng sheave with not ch (a) t