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Recent content by billyd2023

  1. B

    merc 9.9 4 stroke cooling

    water stream is weak all the time. seems to get worse the longer it runs. near the point of stalling it's just a healthy dribble. increased engine speed doesn't seem to help it. same results whether using the clamshell or running in a water tank. since you're using a clamshell; I'm still...
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    merc 9.9 4 stroke cooling

    Thanks for the reply dougd1. Appreciate you taking the time to respond. I'm curious; have you ever hooked up the clamshell to your motor? your comment about vent holes to allow trapped air to escape makes some sense; just I've used this method on several other engines thru the years (including a...
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    merc 9.9 4 stroke cooling

    hello! I have a 2007 merc 4 stroke that I bought used. put it on the boat and it will run for about 5 minutes under load then sputter and die out. after it rests for an hour or two it will start up and run for about the same amount of time before dying again. I hooked up the garden hose with the...
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