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    1992 3.0L Mercrusier - misfire over 2200 rpm

    It is hard to believe that you don't have a water/fuel filter separator. You didn't mention it? Fuel tanks are moisture magnets.
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    Electrical question

    Buy a good multimeter and test while a friend wiggles wires. If saltwater boat, look for green oxidation on wires
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    Engine cooling water in tube bigger than gimbal housng tube

    Look closely in your bilge for a possible hose bushing that may have dislodged. I have owned several Alphas and never seen bushing. However, if my memory serves me correctly, the Bravo hoses and transom hose connection are larger than Alphas. The former owner machined a larger hose connection...
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    Sewing Marine Vinyl?

    40 maybe too think for my old Kenmore. I wish I could find an old sales receipt-Thx
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    Lost oil in sterndrive

    Refill and remeasure. Any wet spots under OD where u park boat???
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    Winterizing: Fuel in tank options?

    Pump into your car.
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    Sewing Marine Vinyl?

    A few years back I made some clear curtains for my boat. My old Kenmore worked OK to good. Although, my first attempts sucked. I got pretty good at it and finished my project. I am getting ready to sew clear inserts. I suspect 20 gauge will do. 10 gauge too light and 30 gauge too thick. I cannot...
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    Mercruiser 5.0 crankshaft front oil seal replacement

    Examine bearing surface carefully. Usually grit causes seal to fail. You may have to add a "Speedy seal" kit.
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    Engine clunk on first start

    Define "Clunks" better! Maybe Bendix? Old boat! Pray it is not flywheel ring gear going bad. Been there! Fore peace of mind, pull plugs and see if any rust.
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    Thunderbolt 5.0 keeps dying

    Purchase a new Edelbrock with electric choke.
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    Alpha 1 Gen 2 - Twin Merc 5.0 MPI - trim and trailer up and down both not working

    jump solenoid. My first thoughts are bad grounds or connections. If a saltwater boat, I'd bet on it. I added plastic shields (covers) to both my trim motors, including solenoids. Salt spray ruined two solenoids.
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    Fuel vent issues 4.5L 250hp Mercruiser

    REMOVE CANISTER AND TRY BLOWING THROUGH HOSE. Mud Dobers are bad here about plugging air vents. The screens might need replacing too.
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    Altenator and Starter Replacement

    coat connectors with fluid film or an equal anti-corrosion spray.
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    Did research re slow trim tilt but…

    That's old!!!! I have rebuilt rams before, but I live in a saltwater environment. They get old fast. Disconnect hydraulics on rams and the ram ends closes to prop. You should be able to manually raise and lower prop. See if you can compress rams or fluid out. If you can't, your pump can't...
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    1997 carver 5.7 port engine removal

    INDEED! Unfortunately, back in the day, boat builders built boats to sell and could care less about future repairs. Many also added boat top caps after motors, wiring and fuel tanks were installed, which lead to nightmares when pulling motors or tanks. Removing the sliding door should not be...
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    5.7 Overheating

    was water hose turned on to full?
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    1997 carver 5.7 port engine removal

    I suggest removal exhaust manifolds piece by piece to lighten weight. You might build a small a frame to fit inside cabin to coffin-hoist block up just enough to put onto an engine mount.
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    5.7 Overheating

    at idle and muffs on with water ON from spigot, disconnect hoses, one at a time, from exhaust manifolds. You should get sprayed with water. If not, examine water pump in lower unit and the tube that goes to upper unit. But, if you have plenty of water, your thermostat may be defective. Remove...
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    Oil Filter, alt brands

    STAY AWAY FROM FRAM! They used to be great.
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    Metal coming out from around gimbal bearing

    ADD ARROW TO PHOTO, PLEASE!
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