Mercury Mariner 4 and 5HP 4-Stroke Outboards Service Shop Manual 1999, Page 225Get this manual
TILLER HANDLE
Reassembly
1Slide friction block (a) over throttle shaft (b) and secure adjustment screw (c) to block, using washer (d) and nut (e)2Install throttle shaft (i) into handle (h) and secure with screw (f) and plate (g)
3Install nylon bushing (b) and rubber spacer (a) over throttle shaft4Apply 2-4-C Marine Lubricant to handle (c) and install handle grip (d) aligning arrow (e) of grip with boss (f) of handle