Mercury Mariner 4 and 5HP 4-Stroke Outboards Service Shop Manual 1999, Page 224Get this manual

TILLER HANDLE
2Remove screw (a) from handle grip (b)
3Remove handle grip from handle (c)

a ScrewHandle GripHandle
4Remove rubber spacer and nylon bushing from throttle shaft5Remove screw (c) and plate (d) from handle (e)Then pull throttle shaH (f) from handle56615

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