Ok i have 2 posts on here.one is mercruiser doesnt run and the other is mercruiser cant give gas.after taking the carb off 4 times and checking it,new points plugs dwell timing new fuelfilters it still would only idle couldnt give it gas.it smoked out the exhaust as wellwhich scared me like head blown.well after 3 months of checking everythingi took a 10 gallon gas can filled it with 15 bucks ran a hose straight from pump to gas can and she fricken purrs!!!!!!!!!!!!!idles perfect no smoke revs up perfect so bad gas???????????wow i never would of thought.i took the tank off drained cleaned it out and its fixed.thanx for allthe input