2001 Mercury Mariner 50-60HP Factory Service Manual, Page 539Get this manual
TILLER HANDLE
5Rotate throttle grip to idle position6Insert the anchor on the shorter throttle cable into the anchor slot on the throttle lever7Secure cable in position by tightening jam nuts onto bracket (finger tighten only)8Insert anchor on remaining cable into the anchor slot on the throttle lever9Secure cable in position by tightening jam nuts onto bracket (finger tighten only)