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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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    Shift cable

    I have a dealer parts manual from September 1976. It lists as the original part number for your cable as B-49518A1. That number was superseded by part number 73723A01, which is what they sell today to fit all MC-1 through Alpha Gen 2 drives. So your part should be OK. I believe you have an...
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    Mercruiser 350 mag mpi distributor timing

    Is it possible that you are at tdc on the exhaust stroke, not the compression stroke? That will throw you off half a tooth if the distributor gear has an odd number of teeth.
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    Shift cable

    Do you get reverse at about 2 o'clock? Does the clacking in neutral ever go away on the way to reverse? Is it possible you might get it right just by rotating the barrel a little more in one direction or the other away from the 6 inch dimension? Did you verify by serial number that your cable...
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    Shift cable

    I am not an expert, but I have done this exact same job once, last June, and everything turned out perfectly. I have a 1976 120 with an MC-1 drive. Did the tap thread-chasing thing. There are a couple of things I did differently than you, no doubt because we followed different online "how-to"...
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    Temp gauge issues

    Instructions for installation are here link. Tan is standard color for sensor, connect to S. Purple is standard color for 12V ignition on, connect to +. The symbol you say looks like a sensor is actually a ground symbol. Find a way to ground that terminal, there is probably a black wire...
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    Outdrive initially jammed when turned by hand

    Things don't normally go wrong simultaneously without being related. So the coupler failure is very likely related to the drive being locked up. You seem to suspect that the coupler failed on its own first, which then caused the drive to temporarily lock up. I would suspect the opposite, and...
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