Mercury Mariner 25HP 4-Stroke Outboard Service Manual 1997, Page 189Get this manual
STEERING ARM REFNOQTY2 10 TORQUE DESCRIPTION NUT STRAP MOUNT SC REW (M6 20) BUM PER RETAIN ING RING ST EERING ARM BRACKET TAB WASHER SCREW (Ml0 1.5 x) SCREW (M 12 1.75 x) SPACER (SHORT) SPACER (LONG) SWIVEL TUBE (SHORT) SWIVEL TUBE (LONG) GROUND STRAP GROUND STRAP SCREW (Ml0 1.5 105) BRACKET SCREW(SELF-TAPPI NG) NUT NUT (.375-24)