1992-2000 Mercury Mariner 105-225HP outboards Factory Service Manual, Page 168Get this manual
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WMH 12,13,14,15,16,27 Carburetor Specifications Carburetor WMH 12
Idle Air Jet Back Draft Vent Jet .052 .050 .052 .054 .058 .058 .090 .096 .086 .080 .090 .090
NOTE: All idle mixture