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    Missing trim tab, need to know which replacement to order.

    I have a 91 boat with a 1990(?) alpha one gen 1 (sn is impossible to read). I started to disassemble the drive for maintenance and I noticed that my trim tab is completely missing! I have no idea how this happened, either it wasn't on there when I got it (bought used earlier this year) or...
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    Replacing impeller - what else should I replace while I'm at it?

    I think I sucked up some sand, and I overheated on my last trip. I also think someone might have fired it up with out muffs for a second. I'm pretty sure my impeller is toast. While I'm digging apart my alpha1, should I be replacing anything other than just the impeller? I see "rebuild' kits...
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    Water in cylinders, mercruiser 3.0

    Last weekend I was out on the lake and ran across a stupid sand bar hiding in the middle of the lake. I hit some sand, motor bogged a bit, and I killed it and raised the motor. It wouldn't start, and it turned out my brand new starter was cheap and the cone cracked and after further...
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    Manually turn over a 3.0 - how hard should it be?

    How hard should it be to turn over a mercruiser (gm block) 3.0 by hand with the plugs removed, boat out of gear (can freely spin prop)? I can't get a good grip on anything other than the accessory belt / alternator, and it doesn't want to move. I don't see any good place to stick a wrench on...
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    Broken (Cracked) Starter! Mercruiser 3.0

    I bought a brand new starter, branded WPS World Power Systems, model 2-1760-DR-2. It is supposed to be a delco 260, a drop-in for my 3.0L Mercuiser. It seemed to fit just fine, my old starter did not have any shims so I didn't use any on this one either. The boat started right up a few times...
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    Use car coil in boat? Mercruiser 3.0

    I've got a Mercruiser 3.0, and (per a previous thread) I may be having coil issues. I read somewhere that the GM 3.0 was used in the 1960s Chevy II. I looked up the coil at Auto Zone, Duralast C819, and sure enough it seems to be similar resistance specs and everything to the coil in my boat...
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    Motor runs then dies, looses spark. Mercruiser 3.0

    The boat fires up, and it will idle just fine for anywhere from a few seconds to a minute, then it just dies. I hauled out my trusty timing gun, and clamped it on the wire from the coil to the distributor cap. After a few tries, it started again and I could see the spark with my timing gun...
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    No spark - Mercruiser 3.0

    My 1991 Mercruiser 3.0 will no start, but cranks over (now that I've replaced the starter :-)). I yanked the first plug and held it against a good ground while cranking the engine and I don't have a spark. My plugs are brand new. The spark plug wires look fine, and electrical connections seem...
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