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    Knocking sound - what is it? [video]

    Didn't see the second video initially. Agree with exhaust leak sound Will say if the engine is warm during the video it is running pretty rough, even for a 3.0 L
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    throttle question

    Sounds like the throttle cable is anchored in the wrong location at the remote
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    Water coming in through bilge pump

    Formula likes to keep the hull sides clean and free of through hulls. Even the galley and head sink drains route to a sump box that discharges under the swim step at the transom on bigger formulas Great idea for clean lines but bad idea for figuring things out. Once you know it's better but the...
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    Crank Shaft Position sensor seating Indmar/Chevy Vortec 350

    The reluctor wheel doesn't just come loose. It's held in place by the balancer The only way it can come unseated is if the balancer has moved on the crank Is there damage on the old sensor face?
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    8.7 Volts at the Coil

    Is the ignition module properly grounded?
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    Sea ray sundeck 240 won’t rev passed 2000rpm

    How old is the fuel?
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    Knocking sound - what is it? [video]

    I don't know if it's the video frame resolution or me but the power steering belt appears to be loose. And the pump itself seems to be moving?
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    4.3 L cobra outdrive

    All cobras (non-king) will bolt up to any cobra bell housing The real question is are the gear ratios the same?
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    No spark then undid coil wires now weak spark

    Did you set dwell?
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    gimbal bearing house hit by trailer while emergent braking before red light.

    Could be excess grease pushed out after years of adding to the steering shaft upper bearing cavity
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    Mercruiser 4.3 l 190 inboard outboard will not start after installing new battery changing a fuel filter and changing oil up

    Is there spark? Fuel present in the carburetor?
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    Volvo Penta 5.0 GXI-E - Won't roll over

    Most likely the top cap seal. The large round rubber piece with the little side seal located at about 2 o'clock in the photo
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    Transom leak near exhaust

    Based on the photos, video and things you've sealed up I'd say it's time to pull the motor and remove the transom assembly Probably gonna find a lot of rot in the lower portion of the transom hole and most likely corrosion at the lower mounting studs
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    2009 Larson Cabrio 260 Electrical Issues

    The only way you'll have 110v AC power on board is connected to shore power, utilize a generator or have an inverter with a dedicated battery bank I think you ought to contact the seller and have them show you how to use the inverter if the boat is so equipped. Otherwise a seasoned boat...
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    1988 Searay 250 - Throttle: Fix or replace?

    The remote assembly itself may need cleaning/lubrication Not horrible to remove the assembly. Pop the plastic cover off the top and it ought to be held in place on the helm by four screws, possible through bolted Once out remove the plastic cover and inspect. If you decide to remove the cables...
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    Wet Exhaust Hose 90deg part

    No clue where to find it especially considering a Supreme dealer gave you the cold shoulder I'd find a 90 degree fiberglass tube same diameter as the exhaust and stub on two straight pieces of exhaust hose/tube to fit
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    3.0L MerCruiser, idle trouble.

    1100 is too high an rpm for idle speed in neutral. You want around 750ish in neutral, 650ish in gear on the water What is the idle timing set at? Carb looks way aftermarket, unsure if I'd have confidence it is of sound quality
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    1988 Searay 250 - Throttle: Fix or replace?

    The binnacle mount remote pictured is a nice one. I've run into little issues with the single engine controllers of that style You can try lubricating the cables but most likely they need replaced With the cables disconnected from the engine end does the controller handle move smoothly? When...
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    My boat run slowly. 120HP,2.5L,1989

    I do not Possible that was a reason for poor runnability Based on the other pics of cap, rotor, points, etc I'd say OP is due for a full tune up
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    My boat run slowly. 120HP,2.5L,1989

    First two plugs are the same, third is different When was the last full tune up?
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