Mercury Mariner 4, 5, and 6HP 4-Stroke Factory Service Manual, Page 186Get this manual
MID-SECTION
Drive Shaft Housing
1Apply thin coat of 2-4-C wTeflon Marine Lubricant to both inside and outside diameters of rubber mounts2Install rubber mounts and nylon bushing halves onto drive shaft housing56378
aNylon Bushing Halves (2); Coat with 2-4-C wTeflon Marine LubricantRubber MountUpper (Marked "Up")Rubber MountLower 3Install drive shaft housing into swivel bracket, positioning rubber mounts and nylon bushing halves, as shownIMPORTANT: Rubber face of friction plate and area of drive shaft housing traveled by friction plate must be free of lubrication4Install friction plate into pocket of swivel bracket5Install rear half of swivel bracket over drive shaft housing, and secure it to front half, using bolts with washersTorque bolts to 70 lb-in(8 Nm)6Install steering friction knob, spring and washer