Mercury Mariner Outboards 2.2 / 2.5 / 3.0 Service Shop Manual, Page 34Get this manual
c Place needle retainer (c) in throttle valve over "E" ring Align retainer slot with slot in throttle valve 17331
Throttle Valve Assembled
2Position throttle valve so slot (h) slides over alignment pin Slide throttle valve assembly into carbu retorTighten cover (i) dAssemble throttle (d) components as shown Place spring (e) over throttle cable Compress spring; then slide anchor (f) thru slot and into pocket (g) in bottom of throttle valve