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  1. C

    Outboard loses prime, unless I stand the tank on end

    Sometimes the fuel pickup tubes get a hole in them. When the fuel level gets below that hole, they suck air. Of course, it could be your "run of the mill" air leak in the fuel line.
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    Need help with identifying motor

    Smell the dripped oil. If it smells like gasoline or oil, it is fuel. If it stinks like rotten eggs, it is gearoil.
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    NO SPARK 1988 mercury 100HP outboard Sea Ray seville

    Check out maxrules for a wiring diagram. Pick a diagram for a motor close in year and with the same number of cylinders. Anything after 1980 should be close. That motor will have ADI ignition. That is the flywheel spins generating voltage in the stator. This voltage is fed to the switchbox...
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    Broken Skeg

    Mercury used to sell replacement skegs. The old one was trimmed and the new one cut to fit, and welded onto the gearcase. A little marine putty to fill in the weld marks, some primer and black paint, and it will be good as new. If you pick a good welder, you do can leave the gearcase full of...
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    Fuel pump diaphram

    Sounds like a fuel restriction. It could be a clogged fuel filter, clogged fuel line antisiphon valve, clogged fuel tank vent, clogged fuel pickup screen, or something wrong with the fuel line or fittings leaking air. Merc back drag carbs often have a screen in the fuel elbow that feeds the...
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    Steering issue

    I suspect the steering actuator. You might repost in the V P I/O forum.
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    How to install a hull lift point?

    Usually, if the boat is off the ground a bit, as your garage boat cart should have it, you can simply winch the trailer under it. Disconnect the trailer from the vehicle, hook up the winch strap and crank the trailer under the boat. If it won't work, remove the wheels from the trailer to lower...
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    XR 4 Hydrofoil

    I think those whale tails are a bad idea. Adjustible Trim Tabs are the way to go. A 25 footer with a 5.0L Mercruiser will likely drag it's butt when trying to plane. The trim tabs can be put down for holeshot, and up for cruising.
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    tilt motor removal?

    Leave the port side transom bracket bolted. Leave the port transom bracket to PTT unit bolts tight. Stick a block of wood between the transom and the tilting part of the motor, to give it some support. The engine should not move at all, when you unbolt the starboard side transom bracket...
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    1976 Mercury 850 85 hp with power trim - won't go down

    The knurled knob under the reservoir is a reverse lock. If the motor is down, you can turn it CW and then lift the motor up by hand (with difficulty). If the motor is lifted hydraulically, and you release the reverse lock, nothing happens to the engine. It stays tilted.
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    Help with old steel pontoon houseboat!

    Replace pontoons with more floaty stuff and use the cabin as a floating and non-moving cabin.
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    tilt motor removal?

    Actually, once you remove both starboard transom bolts, the steering cable nut, all the PTT to transom bracket bolts and loosen the tilt tube nut, the transom bracket can usually be swung up to expose the PTT motor bolt.
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    tilt motor removal?

    If you do not have a wrench large enough for the transom clamp nut, you can use a pipe or Monkey Wrench. Hopefully you have one large enough for the steering cable and transom clamp nut.
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    tilt motor removal?

    Stresspoint, I have replaced the PTT motor twice and the entire PTT unit on my Merc 135V6. I have done it by myself using a few wrenches, sockets and a wedge of wood and some silicone caulk. It probably takes 20 minutes, once you have done it once. A vicegrip on the transom bolts helps remove...
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    tilt motor removal?

    I use "Gee" as a sign of frustration. When I think there is a path that someone should investigate, and they ignore it, I respond with "Gee". You seem to really want the jack up the skeg, unbolt the engine and balance it while you work on it. If you can get to the PTT motor bolts by removing...
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    Stiff steering with acceleration

    Make sure your power steering is working. It makes all the difference.
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    1976 Mercury 850 85 hp with power trim - won't go down

    That is a PTT motor/reservoir. They normally have a wrap around (from back) bracket, that can be screwed to the deck to hold it in place. You should strap it down. The slotted screw in the top right of the unit is the fill. It should be topped off with either 5W30 motor oil or Dextron auto...
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    tilt motor removal?

    Gee, so you don't even want to try to remove one of the transom clamps. Good luck with the hard way......
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    50 Merc

    Is the primer bulb full of fuel? It needs to be. Did you replace your water separator or other filter recently? Those are better if you fill them with fuel, rather than trying to pump them up using the primer bulb.
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    ok peeps. here is a question.

    It sounds like you have a 3 wire PTT motor. Make sure the black wire that grounds the PTT motor is clean and well connected to the battery negative termimal.
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