1992-2000 Mercury Mariner 105-225HP outboards Factory Service Manual, Page 164Get this manual
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WMH 1,2,3,4,5,6,7,8,9,10,11 Carburetor Specifications Carburetor WMH 1
Supercede WMH and WMH carburetors with WMH 26 carburetors
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NOTE: All idle mixture setting