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    Flat tire on haul-out today . . .

    Gee, it is useful to walk around the vehicle or trailer, checking the tires and other items, before a long trip. Ditto on oil, brake/clutch fluid and coolant, as appropriate. Radial tires can be tricky to see if they are low in air. If you stand close to the car, say your hip touching the car...
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    8 Hp Mecury outboard

    If you sprayed ether into the carb and she did not fire, you do not have any spark. At this point a factory service manual is a good idea.
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    1968 Johnson 65 hp VXL-14B No Spark On Any Cylinder

    Gee, Seloc and good are normally not in the same sentence. My experience with Seloc is that one needs to watch out for critical, sometimes catastrophic errors in their specs and procedures. Glad it is working for you.
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    85hp Merc?

    Joe, if you added gearcase and late-90's engine or newer to your statement, I would agree with you. However, if the exhaust baffle or exhaust covers have rotted out, even if the compression is good, you will be looking for used engine block parts that are still good, after nearly 50 years...
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    85hp Merc?

    That motor will have ADI ignition, which is good. As Texasmark says, it was a fine engine, but let me add that it was a fine engine in 1976/7. That was nearly 50 years ago. Is it still fine? Those motors had a history of the inner exhaust cover and exhaust baffle rotting out, and the wiring...
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    85hp Merc?

    Gee, what year? Merc 85HP motors were made in the 70's with 4 cylinders. They made 80HP motors later on in the 70's and perhaps some newer models as well. Is it one of those oldies from the 70's? If pre-1976, it may have a distributor. The ign system was sound, but parts are expensive, and a...
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    Prop barrel slightly smaller than the gearcase

    How about a temp fix? Clean up the edge of the gearcase hub, and the recessed part of the prop. Wipe them with some solvent. Now rub some wax, candle etc. on the edges of the gearcase hub. Install the prop. Now run a precise bead of silicone caulk where the gearcase meets the prop. Let it...
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    Prop barrel slightly smaller than the gearcase

    There are high performance props without exhaust hubs, that fit on motors with hubs. The theory is that the exhaust on the blades gives some slip when accelerating, and when the boat reaches higher speed, the exhaust gasses are pulled away by the receding water, so the prop bites. I tried a...
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    Prop barrel slightly smaller than the gearcase

    Some modular props came with a plastic "cap" that fit the recessed end of the prop, to make it's diameter 4-3/4". This cap allowed the prop to fit more motor applications. You might go on the prop OEM's web site and see if they have one.
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    1992 150hp XR6 gauge setup

    Temp switches close and ground when temp gets too high. So if you want to wire in lights and a buzzer, connect power from the ign switch(used for gauges) to one side of the lights/buzzer, and connect the other side to the temp switch on the head. When the temp switch grounds the light/busser...
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    1992 150hp XR6 gauge setup

    On a supporting note. Water temp gauges are real good for automotive applications, where the circulation is clean coolant. OB's can suck in sand, muck, plastic bags and the like. This means, that the water pressure drops, before the temp gauge knows this. What you see the OB goes from fine...
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    '99 Mercury 50HP ELHPTO: carburetor idle screw adjustment procedure

    In the past Merc idle adjustments have been a compromise between idle quality and acceleration. That is when the carbs were set for best idle, the motors would not accelerate smoothly. This is because of design and the lack of accelerator pumps on the carbs. If your motor does not have the...
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    Dragging caliper away from home

    Gee, This is pretty late, but, it can help someone else. Brake components are tough iron. You can hit them with a hammer and not damage them, mostly. Crack the bleeder and shove a big screwdriver into the pad/rotor space and tap it with a hammer. Rotors are pretty cheap and pads are also...
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    Flat tire on haul-out today . . .

    Your post reminded me to check the tire pressure on my two trailers., as it approaches time to pull 'em. The speedboat trailer had 50PSI and called for 80PSI. I filled it. The 21 footer tandem trailer was fine at near 50PSI. I also was inspired to spray the rusty parts of the trailer with...
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    Switching mercruiser throttle controls

    I would expect the new controls to work mechanically. There should be a listing of compatibility, but if the OD is Alpha, and the new control fits Alpha, I would expect it to work. The electrical connections could be a bit different.
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    making your own gaskets / seals

    All the leaks in the waterpump base I have ever had were from the driveshaft seal. The base gasket and Oring did not leak, as far as I could tell. My V6 Merc has needed two shift shaft seals in the last decade.
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    Are these old D!ck Pope Water Skis any good?

    I just tossed out a pair of pope skis a month ago. They were fine, even with the orig bindings (heavy vinyl I think). I could not give them away. They were fine to ski on, as the flat bottom of the ski gave good action on two skis. I also tossed out a "Banana" slalom ski. it had a concave...
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    1992 150hp XR6 gauge setup

    Your trim gauge sender wiring must be wired up thru the transom clamp. The way it is now will likely cause it to be physically damaged by the water. I never saw a water pressure gauge sender like that. It sure looks like a water temp gauge. A lot of Merc V6 motors had an overheat switch on...
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    Prop problem

    Remember the internet is still insisting that perpetual motion machines are real. They want the clicks, likes and subscribes, for the $$. Actually, I think you can find most any alternate fact on the internet, without looking too hard. (BTW- alternate facts are lies.)
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    No Spark after Stator Replacement

    Bad rectifiers can cause spark issues. Disconnect the rectifier AC leads, insulate them and then retest DVA voltage.
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