1992-2000 Mercury Mariner 105-225HP outboards Factory Service Manual, Page 172Get this manual
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WMH 21,22,23,25,26,28 Carburetor Specifications Carburetor WMH 21
Idle Air Jet Back Draft Vent Jet .046 .050 .054 .050 .046 .056 .096 .098 .094 .086 .090 NONE
.064 .060 .054 .062 .0