Mercury Mariner 4, 5 102CC Sail 1990 Outboard Service Shop Manual, Page 39Get this manual
Cleaning Inspection ACAUTION Do nol use carburetor cleaner on float or any plastic or rubber parts1Clean and dry all parts thorough ly2Inspect ca rburetor body and float owl for cracks ,
2Install main nOlzle (a )
st ripped threads, plugged or restricted passages
and passage plugs that show signs of leakage3C heck float hinge pin for wea and check fl oat for