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    Mercruiser 2.5 or 3.0 winterization

    According to manual #2, using antifreeze after draining is optional but "recommended." If you do use it, you leave it in there.
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    Mercruiser 4.3L won't start

    Based on the spark I see in your video, it should run if only briefly on starting fluid. I would check next if you have the spark plug wires on in the correct order. That is about all that is left that it could be.
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    Mercruiser 4.3L won't start

    You could also try starting fluid. It's usually a last resort, but this might be the proper situation for it. Have the fire extinguisher handy.
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    Mercruiser 4.3 Engine - empty carb bowl

    You probably already have a valve like that at the tank outlet to prevent siphoning. So adding another one is not likely not solve your problem.
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    Rusty u joints bravo 3

    Yeah, never of rust travelling, but if you did get a spot of it close to the sealing surface of the yoke, eventually it would grow into and compromise the seal. The OP should inspect this area and treat any rust spots that are too close, but otherwise rust on the u-joints is no big deal and...
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    Rusty u joints bravo 3

    Regarding the u-joints, isn't that just surface rust on the outside, where it doesn't matter? A little rust on the outside doesn't tell you anything about the parts inside that rotate relative each other and are supposed to coated in grease. Unless they are well-painted, steel parts will look...
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    Marine or Auto oil pan

    Talking about drain setups, I now have a Fumoto valve and hose on my 2.5 inline 4. Works really nice.
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    4.3 MPI Crank No Start / No Spark

    The old rule of thumb is that if you have three things, compression, fuel and spark, it will run. You say "everything checks out," but one of those three things is missing. So keep checking. Compression is not usually a problem in an engine that was recently running, so check that last...
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    Mercruiser alpha lifting point

    "(and if not, i'm really curious, what is it for?)" Here's what mine is used for on a 1976 MC-1. I've been assuming this was a common feature back then, but don't know for sure.
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    Gen1 oem impeller kit (frustrated)

    The pump kit should have the quad ring in it, if not, it is available as a relatively inexpensive separate part: 25-48452 QUAD RING
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    Gen1 oem impeller kit (frustrated)

    Quicksilver 47-89984Q-5
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    What type sterndrive

    or Amazon. If you have time to wait a week for it to arrive. I found last June that it was half the price of the same thing at my local bearing house, which did not have it in stock and would take a couple days to get also.
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    Getting too excited

    There but for the grace of God, Twisted. Feeling your pain. I once had an engine bay fire using ether starting fluid. Very scary.
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    What type sterndrive

    Or Speedi-Sleeve.
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    I have a leak.

    I see a crack in the O-ring at about 4 o'clock in your photo.
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    Mercruiser 170/470 Starter Question

    Are you asking if the result would be explosion-proof enough?
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    U-joint Bellows & Upper Shift Shaft Bushing

    Re: your second question, logic tells me that you use loctite, not grease, on press-fit parts that you don't want to move in use. Especially with a dissimilar metals interface, which due to different rates of expansion could allow temperature-related loosening. There is definately a...
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    Vin number on a trailer

    Haven't you answered your own question? "So I cant find the vin number on it." Fortunately there is usually a procedure to register a trailer without a VIN as a "homemade" trailer. You just have to find out what that is in your state.
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    Shift cable

    Great recovery, with that bit of a Bic pen. Respect.
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    Shift cable

    I had a dodgy shift cable too. It was drawn tight across an engine bell housing edge, the cable had finally hard-kinked there, and the sheath was about half cut through. The inner core was being forced back and forth over that sharp edge. Movement required so much force it also wrecked my...
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