Mercury Mariner 8/9.9HP 4-Stroke Factory Service Manual, Page 35Get this manual
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6 Secure steering bracket to engined a
Steering Link Arm Ball Joint (Flat End Facing Up) Steering Bracket Spacer [38 in(9.5mm)] Rubber Spacer Flat Washer [1316 in(20.6mm)] Locknut [Torque