Mercury Mariner V-250 V-275 Outboard Service Shop Manual 1990, Page 112Get this manual

Mercury Mariner V-250 V-275 Outboard Service Shop Manual 1990, Page 112

22Remove input hose to fue enrichment valve from bottom of top port carburetor 24Remove carburetors as an assembly
8 Input Hose Fuel Enrichment Valve Top Port Carburetor

23Remove input fuel hose to bottom fuel pumpaCarburetors

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