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    So, my 2025 Bayliner VR5 200 hp 4.5L mercruiser STILL barely pulls me up

    The advantage of hydraulic trim tabs is that if properly installed, when retracted, they are well above the transom/hull point and do not drag. When extended, they will really lift the transom. So, on an underpowered or tail heavy boat, tabs down for takeoff, then pull them up. If heavy seas...
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    So, my 2025 Bayliner VR5 200 hp 4.5L mercruiser STILL barely pulls me up

    Get hydraulic trim tabs. That will solve your issue, much better than a whale tail.
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    Power Tilt Conversion

    You need this stuff, plus the pump/reservoir. The PTT brackets bolt to the upper shock support. The top of the brackets bolt to the top mount of the PTT cylinders. The lower shock mount bolts to the lower mount of the PTT cylinders...
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    Gauges recommendation

    SeaRay Gauges are normally made by a commercial gauge company. Sometimes they add the SR emblem to the gauge, but they are usually standard gauge lines. For my '88 SR, I was able to buy standard Teleflex (in those days) replacement gauges. They did not have the SR, but other than that...
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    80's 150HP black max problem (won't run when shifted)

    Noo, start your own thread with engine year, HP and make, along with symptoms. i.e. How do you know water is getting into the engine?
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    Evinrude Ocean Pro 175 issues

    Gee, be really careful when spraying ether. Have a fire extinguisher handy, as it will likely catch on fire. Using a spray bottle of gas/oil is a lot safer. You probably want a water separating fuel filter mounted in the boat. The dinky strainer on the motor can fill up and restrict fuel...
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    Water in the Lower Unit

    It is not necessary to clean out the old lube. Just drain it well. Brake cleaner could harm the seals.
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    idle stabilizer or low speed/high speed spark advance module 81 merc 150

    I cannot answer your question, but I know that my '93 Merc V6 idles much better without the idle stabilizer, than my '77 Merc 150HPL6. Deleting it in my situation is not an issue.
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    Looking for my first boat and dwelling too much on the I/O vs Outboard question...

    That may be, but my 21 footer has floatation. I would expect many boats up to at least 35 foot have floatation. Maybe more, as the loss of life torts are quite severe.
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    Vibration in my Merc 135HPV6 at about 3000PM

    Ladies and gents, I have a vibration in the subject OB at about 3000 RPM. It sounds like reed valves vibrating, but that seems unlikely. The next guess is something on the motor vibrating in sympathy like the partially rusted exhaust pipe cover on my car. The vibration goes away at lower or...
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    Evinrude Ocean Pro 175 issues

    That motor, if original alarms, will have alarms for low oil, no oil, overheat and fuel restriction. Low oil in the VRO tank, should be obvious. No oil is an issue with oil being fed to the VRO pump. It could be a clogged filter or broken oil line or a VRO pump malfunction. Overheat...
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    Looking for my first boat and dwelling too much on the I/O vs Outboard question...

    I/O engines are mostly obsolete at this point. 4 cycle OBs are a lot lighter, as fuel efficient and have much less maintenance requirements. If you plan the trailer the boat, an OB's light weight makes it much easier. Figure a V6 I/O weighs in at 1100# vs less than 600# for an OB. 2 cycle...
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    80's 150HP black max problem (won't run when shifted)

    Water can get into the cylinders from the exhaust water jacket, and the compression can be just fine. It may be able to get into the cylinders from other places including block cracks, but I am not too familiar with the Merc V6 engines. The exhaust covers on my merc IL 6 engines leaked and...
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    80's 150HP black max problem (won't run when shifted)

    Gee, White smoke is usually steam. If water is getting into the cylinders, usually the spark plugs look brand new, as they tend to get steam cleaned. You can remove the spark plugs and crank the motor in a tub of water. Now hold a rag over each spark plug hole and look for droplets on the...
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    Water in the Lower Unit

    Jimmbo, You are correct. However, after you fill the gearcase, you remove the pump or tube and some gear oil spills out, giving some airspace. Also, when filling the gearcase, there are always a few bubbles that will pop, giving added airspace. There is not (IMO) enough airspace to allow...
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    Water tank heating

    What is the difference between the average solar power output in watts, and the power consumption of the water heater? If they are close, you can work something out. if the heater takes several times the average solar panel output, it will be hard to do.
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    Water in the Lower Unit

    Ideally all of the air is out of the gearcase, after you fill and seal it. Sweating would be non-existent.
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    Water in the Lower Unit

    Gee, I would perform the pressure test. My inline 4/6 engines had the driveshaft seal fail most often. However, the newer V6 Merc has had two failed shift shaft seals, and the driveshaft seal has been fine.
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    1980'ish black max 150 losing all power after running for 30 minutes

    Larger motors like your V6 can benefit from a direct fuel line connection to the fuel pump. Those quick disconnects can restrict fuel flow or allow air into the fuel line. I recommend you get a 3/8" brass hose barb to hose barb and install it with two clamps, replacing the quick connect. You...
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    1980'ish black max 150 losing all power after running for 30 minutes

    Loses power when you turn? Sounds electrical. What shape is the wiring in? Are there any wires rubbing on metal, when you turn?
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