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    Trim Hydraulics

    Salt water used????? You need to manually raise and lower it by jumping solenoid. I have replaced too many of them. They don't like salt water dripping on them. Rebuild rams with new seals. Easy to do! If that doesn't work, replace fluid and pray trim motor doesn't need replacing.
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    Engine alignment problem

    Make sure you don't have any transom or stringer mount rot. If you have ANY, you should stop and replace rotten wood, re-glass, etc. Trust me!!!!!! I had problems one time due to not seeing a part of the back motor mounts getting bumped off while trying to lower engine onto mount. I believe it...
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    no oil after cylinder head recondition

    An electrical drill works a lot faster and you should be able to see oil come through push rods/ rocker arms. If not....
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    no oil after cylinder head recondition

    I have always soak in oil and pump them with push rod
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    no oil after cylinder head recondition

    were lifters full of oil?
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    no oil after cylinder head recondition

    Bent??? U have more headaches than described. Block may have froze and later hydro-locked?
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    Outdrive will not go back into transom

    Turn the prop just a little. Perhaps splines are not meshing correctly.
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    Leak into bilge, bellows?

    ROT
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    2002 5,7 Mercruiser exhaust manifold keeps cracking - 5 times this summer

    add y pipe flappers and/or increase exhaust manifold thickness by double the gaskets. Your manifold or head may not be perfectly flat. However, I suspect Y pipe shutters (flappers) will reduce cold water entering an exhaust system.
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    5.7 Cast Iron Intake Manifold - Salt (‘raw’) Water Cooled

    Having owned several I/Os over decades that were all saltwater used, rigorously fresh water flushing after every trip will increase block mortality to over ten years and maybe 4-6 years for risers and exhaust manifold. The risers are the first ones to crap out. I'd replace every 4 years and...
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    5.7 Cast Iron Intake Manifold - Salt (‘raw’) Water Cooled

    Pitch the motor!
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    Should I pull heads for inspection, 5.7 liter

    If saltwater boat and not antifreeze cooled, replace engine. My guess is rings are weak. Maybe valve seals are leaking oil into chamber?
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    Mercruiser 165's First Engine Align, Having Trouble

    Go to information forum for technical information of transom rebuild. I can't remember what it is called, but that is where I got my information. Good luck.
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    Mercruiser 165's First Engine Align, Having Trouble

    May be additional rot. Been there!
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    Mercruiser 165's First Engine Align, Having Trouble

    Was the rebuild 100% parallel? Correct thickness? I assume you didn't replace outer skin but rebuilt from inside????
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    Salt water leak

    Someone bumped the y pipe connection. Y pipe bolts to internal housing. You will have to pull motor. This is not uncommon.
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    Carb Needle condition / function

    For peace of mind and safety concerns, I'd replace the carb. Especially, if boat has been consistently used in saltwater, I'd replace it. Condensation is a nightmare for boaters.
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    Alpha one gen II leaking water near hydraulic hoses

    Having totally replaced a twin MC transom and twin partial transom, I can state that it will be a job, if you have the proper tools!!! If you don't have tools, drag boat to a scrap yard. If you saltwater fish, you should be able to sell for scrap or another fisherman will tow it offshore to make...
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    Can I use this Y pipe

    If that is salt water exposed, good luck finding a competent welder to rebuild it. The salt really f-up aluminum. Remember, this pipe can sink you!
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    Painting Aluminum boat

    Auto paint stores make a primer -etcher. Make sure topcoat is urethane 2-part paint(color and hardener) . If using etcher alone, read instructions on can.
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