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    1997 Mercury 2 stroke 200 gets up to WOT then loses RPM's

    Actually, Mercury makes a 4 cylinder that runs on top two carbs at idle. I do not think Mercury ever made a V6 that did that though. You might examine your spark plugs. If some are real clean, perhaps water is getting into the cylinders. The primer bulb doesn't collapse, right? You could...
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    Clunking and prop slipping

    Chunks of metal in the gearcase means that the gears/bearings/bushings are failing. That symptom is very bad. SEI likely makes a replacement gearcase for your motor. I have heard good things about them.
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    Gas - Oil Mixture on old Evinrudes outboards

    I am pretty sure johnnyrudes now specify 50::1 gas/oil mix. The 100::1 mix was superceeded.
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    Clunking and prop slipping

    I would think you need to check the gear oil for water and pieces of metal.
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    Gas - Oil Mixture on old Evinrudes outboards

    Oil never unmixes from gasoline.
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    Oil leak

    Smell the oil to make sure it is not gear oil. Gear oil stinks like rotten eggs.
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    Awfull time launch & retrieve roller trailer

    I had a double bow stop on a trailer, and had the same issue. You can swap out the double bow stop for a single one. You can also adjust the winch stand forward/backward. Hopefully those adjustments will fix your issue.
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    1982/83 70HP 3 cyl fuel pump WATER line I.D. size?

    Hoses should be pretty standard. Can you take the old one to an auto parts store and see if they can match it?
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    how to determine the year 175 ocean pro

    A 1993 motor will have carbs, I would think. The e-TEC is a different animal.
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    Question/Advice: Fiberglass over old Fiberglass In Bilge Area.

    Don't put anything under the fiberglass. The new resin and cloth will seal just fine. The existing fiberglass just needs to be clean and a bit rough, to bond well with the new resin/glass..
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    how to determine the year 175 ocean pro

    N is counter rotation. That should be easy to see if correct. Look for a left handed prop.
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    how to determine the year 175 ocean pro

    The model or serial number gives the year. In your model number, that B is a strange character. Normally it is an "E" for electric starting. So a J175EXETR would be a 1993 25" shaft motor. The Crowleymarine site did not find your serial number either.
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    Thru hull

    Gee, a dab of silicone caulk and a clamshell cover is what is commonly used.
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    Fuel tank removal/ inspection questions 67 glastron crestflite.

    That is a pretty obscure model here in 2024. You might trace the fuel fill hose and fuel lines to the fuel tank. If that boat has spent any time in saltwater and has an aluminum or steel tank, which is likely, I expect it to be in bad shape. Most tanks back in '67 were steel.
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    My turn with a old boat that has a sudden loss of ALL battery power in a 45 year old boat.

    So you must turn on the bilge pump in order to start the engine? That could be an issue when you forget and need to start the engine to get out of a dangerous situation.
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    Question/Advice: Fiberglass over old Fiberglass In Bilge Area.

    Sand it anyway to get a "tooth" for the new resin to grab onto.
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    1979 40hp lower unit stuck

    My '77 1500 had a tapered pinon bearing w/o a pin. Is it a show stopper for the OP?
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    Sealing electrical connections?

    There are marine grade butt connectors, with shrinking, adhesive lined insulators. With the right crimping tool, and a heat gun they are waterproof. The low tech solution is wire nuts with silicone caulk. For all connections, it is imperative that no water collects around them, or it will...
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    aluminum wheels stuck to hub

    I would think Fluid Film would work as an anti seize in that application.
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    1979 40hp lower unit stuck

    Mercury has a combo lifting eye and flywheel puller. It has pipe threads which mate with the flywheel, and a bolt thread in the center that pushes down on the crankshaft. Here is Amazon source. Zinger for Mercury Mariner Outboard Lift,Flywheel Puller Removal Tool 91-849154T1,Lift Ring 91-90455-1
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