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    Waste tank in 240CS

    Hi, winterizing my boat first time because all the shops are too busy. I hardly ever used the potty (Sealand brand portable toilet) in the cabin this summer, but I am sure there is sufficient water there to create freezing risk. Attached is the picture of the holding tank under the potty. There...
  2. Z

    Single point drain

    Hi folks, Planning to winterize my engine the first time. Actually, I was going to give it to a marine shop (I'm in NH), but all the shops are fully booked until November and it will be freezing on next Sunday night, so I guess I have no option other than DIY. It is a MerCruiser 5.0 MPI. After...
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    Mercruiser 5.0 MPI idling problem

    Popular idling problem. The flame arrestor is clean. Replaced the IAC valve but no change. Removed and put back the little sponge in the throttle, but no change other than the hissing noise that I don't care (The engine is loud enough). I measured the fuel pressure a while ago, no problem...
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    Ethanol free gas for Mercruiser

    Hi all. I used the live in South Carolina and recently moved to New Hampshire, Massachusetts area. I have a Stingray 2006 Mercruiser 5.0 Mpi inboard stern drive. In SC, there was no shortage of gas stations with no ethanol gas supply. But in new england area they are practically nonexistent...
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    De-winterizing Mercruiser 5.0 mpi with heat exchange

    Hi Folks, I have a Stingray 2006 Mercruiser 5.0 Mpi inboard stern drive. I got it winterized last december, now it is time to de-winterize. During winterize, I gave it to a marine shop for engine anti-freeze fill up, and it was done. For the fresh water, I put the antifreeze into the fresh water...
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    Low fuel pressure, fuel filter half full while idling.

    I recently got this boat. Mercruiser 5.0 MPI, Alpha1 Gen2. Had the engine checked at a mechanic running on muffs, and he showed me the fuel pump half full, and he said engine wasn't working at full efficiency. He said either air is coming into system, or fuel is leaking. Then I took it on the...
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    MerCruiser 5.0 MPI diagnostic connector

    Hello. Sorry but where is the diagnostics connector? I am posting a picture of my engine, can't locate the 10-pin connector :-( Pretty much looked all around it. Maybe there is none? Thanks
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