Mercury Mariner Service Manual 6, 8, 9.9 210CC Sailpower, Page 55Get this manual
CARBURETOR CLEANING and INSPECTION 1Carefully inspect carburetor body and fuel bowl for cracks, stripped threads, plugged or restricted passages and passage plugs that show signs of leakage2Thoroughly clean all carburetor parts with mild cleaning solution (that will not damage rubber or plastic) to remove dirt, gum and varnish that may have accumulated3After washing parts, blow parts dry with compressed airBe sure to blow air thru all passages, orifices and nozzles4Check float hinge in the float pin area for wear and check float for leaks5Examine inlet needle for wearIf wornreplace with new inlet needle CARBURETOR REASSEMBLY