i have a 1976 mercury 850 85h
i have a 1976 mercury 850 85hp i just replaced the fuel pump assembly. when i cranked it over it started briefly but then fuel came out of top carb i blew into bottom carb and some sand came out also with alot of gummy gas top carb is working fine what should i do should i have both carbs rebuilt or should i just clean out bottom carb. thanks
i have a 1976 mercury 850 85hp i just replaced the fuel pump assembly. when i cranked it over it started briefly but then fuel came out of top carb i blew into bottom carb and some sand came out also with alot of gummy gas top carb is working fine what should i do should i have both carbs rebuilt or should i just clean out bottom carb. thanks

