Mercury Mariner 4, 5 102CC Sail 1990 Outboard Service Shop Manual, Page 49Get this manual
5Remove nuts (a), lock washers (b), washers (c)from three mounts and lilt fuel lank and hoses from eng ine , 6Remove uel tank cap (a)Empty fuel lank and attac hed hoses into suitable container
aFuel ose (2) [1-14 in (31:8m m}jFuel Hose) [1-12 in(381mm)1Clips (11)Fuel Filter (arrow points to fuel pump)Tee FillingFuel CockFuel Tank Hoseheck Valve ose i-Check Valve (arr ow points to fuel cock)Remote Fuel Tank Inlel Hose
8Clea and inspect fuel tank and components per instructions on page 3A- 18