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    1968 Mercury 50hp four - stalls and dies out when warm, trouble restarting

    I have a 68 Mercury 50hp four cylinder 2 stroke. Starts and runs awesomely, runs all day - unless you turn it off and try to restart it. Sometimes stalls out when it idles after running a bit as well. When you go to restart it, it will fire, run for 2-3 seconds and then stall out. You will...
  2. C

    1968 Mercury thunderbolt 50hp - stumbles and atalls when warm unless choke is on

    purchasing a 68 starcraft boat with the original 50hp mercury thunderbolt engine on it. runs and starts great until it gets warm, then it loses power, sputters and dies. will start right up, but you need to choke it to keep it running. faulty fuel pump? dirty carb? other ideas? thanks.
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