Mercury Mariner 4 and 5HP 4-Stroke Outboards Service Shop Manual 1999, Page 229Get this manual
TILLER HANDLE
5Route throttle cables to carburetor and secu re with j-clip (a)6Slide throttle cable ends into throttle drum (b)Secure throttle drum with bolt (c)7Place end of throttle cable jackets into retaining bracket8With throttle arm of carburetor against idle speed screw, remove slack from throttle cables with adjustment nuts (d)