Mercury Mariner 4, 5 102CC Sail 1990 Outboard Service Shop Manual, Page 45Get this manual
3Lift fuel cock rod (al from coupling (b) of fuel cock 4Disconnect fuel hose from fuel pl' mp
6Remove fuel tank cap (a) and fuel strainer (b)
NOTE So me mod els do not use fuel strainer
a Hose Clamp Fuel Hose Fuel Pump