Mercury Mariner 4 and 5HP 4-Stroke Outboards Service Shop Manual 1999, Page 226Get this manual
TILLER HANDLE
5Pushing handle grip (b) against rubber spacer, to align holes and secure grip to end of throttle shaft, using screw (a)6Apply 2-4-C Marine Lubricant to handle (d) and install nylon washer (c), spacer (e) and outer bushing (f) onto tiller handle