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    Alpha one manual

    Might see if Wierd Al will make an alternate song of "Don't Download This Song" into "Don't Download This Manual" Shall we relabel Mercury Marine as the music industry's RIAA?
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    ‘92 Johnson 90HP - Bad rectifier?

    If your multimeter is properly calibrated, it should have that resistance factored in with the original test leads. If you add or change the multimeter test lead components, then usually yes you have to calculate the difference. Yes, flywheel has to come off for replacement. Check flywheel...
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    Water pump repair kit

    If you want to buy aftermarket, I highly recommend you buy aftermarket from a reputable marine parts internet retailer and not places like Amazon that do not put any serious effort to ensure the items sold meet certain minimum quality control standards and are genuine. I would trust an iBoats...
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    ‘92 Johnson 90HP - Bad rectifier?

    1.3 Ohms reading, that sounds like an OEM 6 amp 88 SPL stator was installed from my factory service manual instead of the 9 Amp for the 90 HP variant with regulator/rectifier. The 9 Amp stator which it should have should be about 0.7 ohms. Assuming that information is still the same and hasn't...
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    Gear lube for 60 HP

    Buy the high performance version of Mercury/Quicksilver gear lube, don't cheap out on this. Buying the bargain "premium" labeled gear lube is like paying for nosebleed seats on a sports game versus getting front row seats for just a dollar or two more a seat. In an emergency if its the only...
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    ‘92 Johnson 90HP - Bad rectifier?

    If you replace the regulator/rectifier, make 100% certain you clean the mounting bolts and install both grounding washers on the correct spot shown on the parts diagram or you will be replacing it twice. Grounding washers are easy to miss on the importance of them. Ask me how I know...
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    To fuel filter or not. 3.0

    That's a load of crap about saying do not put water separating filter on a 3.0L engine. As long as the fuel filter & filter mounting assembly supports the gallons per hour output needed by the motor, there is no reason not to have one installed. This is especially important to have installed...
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    Johnson 115 wont rev

    No to Seafoam. Buy Evinrude engine tuner, Yamaha ring free or Mercury Quickclean. Follow the directions on usage exactly. Do NOT put too much in.
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    Alpha One Gen II, unknown part

    Seen too many recent V6 and V8 threads so I probably seen a mirage of them on this thread when the engine model wasn't on the initial post. I should know, my previous boat also had an early Gen2 3.0L in it. Since then I've defected to owning an outboard equipped boat.
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    Alpha One Gen II, unknown part

    You need to take off the necessary exhaust manifold hardware that allows inspection of the Y pipe that connects to the transom assembly. Might be able to just remove the rubber hose joint but might require more removal for access. The exhaust shutters are in the top of the Y pipe to prevent a...
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    225 ocean pro (won't start)

    Yeah, it was just a public service announcement because its only been about 1 year ago since that US law took effect and there are many who don't know still.
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    225 ocean pro (won't start)

    Recent US federal law in 2021 adds teeth to federally controlled waters against one who removes it or does not use engine cut off lanyard while under way. In short, get stopped and its not attached properly on the operator for a boat with it or late model boat, expect a ticket.
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    1981 StarCraft SuperSport 180 Rebuild

    Looks like fluffy the infamous engine compartment resident/squatter strikes again in the outboard cowling. Often gets regular media coverage on Taryl fixes all lawn equipment YouTube channel of nests found in customer's neglected lawn mowers mostly in engine shroud brought in for service...
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    Ran outdrive without lube! Bad sound.

    A tip, never install the outdrive/lower unit vent/drain gear lube plugs until you fill it up with gear lube. This applies whether it is an I/O or outboard. If it is going to be left without lube and plugs for more than a day or risk of wet weather, it needs to be pulled off the boat and...
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    Tracking down and repairing leak in aluminum hull (starcraft islander)

    At the rate being mentioned of water intrusion, either transom hole leak or somewhere under the floor. If its under floor, all of the floor has to come out. Need to either invest in fixing the core issue or sell it to someone who will do the work. No sitting on the fence. First though you...
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    No power under load

    As mentioned above, I don't have much sympathy when people try to cheap out on what is necessary for boat repair/maintenance. There's a difference between falling on hard times and trying to skip out on paying what is necessary. Fuel injection systems are computer controlled and you have to...
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    3.0 mercruiser ran for 5 min good. Then Just died?

    Since the OP video showed it is using the standard Delco EST ignition system, disabling the ignition is even easier, just need to pull the purple 12V & gray tach connector. That will kill the 12 V power to the coil, no need to ground anything. Just need to secure the connector from touching...
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    Merc 140 fuel pump install, no ros?

    If you live or operate primarily in US based waters, I extremely doubt that fuel supply hose going into the fuel pump is USCG rated for inboard engine compartment fuel hose rated (type A1-15 rated hose). I think it is required by USCG regulations that the hose has to be labeled/marked with...
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    Question about an alpha 1 gen 2 outdrive

    If one scoffs at the phrase (BOAT) "break out another thousand", one really isn't in the position financially to continue owning a boat. That person would just likely would be paying property taxes, insurance, and fees on a devaluing/inoperative paperweight that just sits there. If one is wise...
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    Need help rebuilding my alpha one gen II Sterndrive

    +1 to this. Mercruiser outdrives are not for the novice to rebuild. It takes a lot of training, experience, and expensive special tools someone rebuilding one only once would probably never want to pay for. Replacing only seals is probably (it depends) one of those situations someone can keep...
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