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    Compass heading

    Gee, do you know why they call that kind of navigation "Dead Reckoning"? Because if you mess it up you are dead... At least get a chart and pick out some waypoints. That way you can tell earlier if you are lost. BTW cell phones do not work offshore, as there are no cell towers out there. You...
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    Anyone Seen these?

    OK, so the prop is $4500 more than a high performance SS one. That is many years of gasoline savings to break even., if ever. Now if it was able to walk the dog and make dinner, plus double the efficiency of my boat, that would be worth considering. Lets say you have a $500 mousetrap, that...
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    1985 Mercury 85hp (4 cyl) runs great for 20 minutes then boggs down

    Chris, That is an ADI engine. That makes it 1976 or newer on the 4 cylinder motors. I would like to know where you got those idle pickup and max spark advance specifications. As far as I know, all ADI motors use a 0-9*ATDC for idle pickup and 21* BTDC for max spark advance.
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    Bypass VRO and use Fuel Pump

    Is that motor a 60* V4? If so, the vapor pump assists the OMS pump. The OMS pump is the one that injects the oil into the gasoline as it pumps it. The vapor pump is an easy rebuild. I would also rebuild the vapor separator as well and see if that fixes it. A new OMS pump is $500+ for OEM...
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    Voltage regulator

    See what the crowleymarine web site recommends for your motor and then search that part number for aftermarket source. If you don't like that, you will need to really go DIY and find something from a motorcycle or generic.
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    1984 35hp mercury steering part

    Gee, get on one of the steering system OEM web sites and see what it is called. I expect a marine store will stock them. What is that knobby thing above the motor steering arm? Some sort of nut?
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    What Pipe is Best for Bilge/Livewell Plumbing?

    I used "Shields Series 148" for my scupper hoses. They are rated for below waterline use and I expect them to last forever. They are tough to bend to shape, but easily seal to the thru hull fittings.
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    Gear ratio change/unknown oem prop

    So you went from 1.5::1 ratio and 19 P prop to a 1.84::1 drive? You will want a prop with more pitch. Simple math suggests a 23 pitch prop, however, that is just a multiplication of the ratio difference, not considering the power curve of the motor. If you could try a 21P prop, and see what...
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    Anyone Seen these?

    Gee, my wife has a set of those in the kitchen. They make smooth cake batter.
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    Tach for Merc outboard

    Glad it worked out.
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    1985 Mercury 85hp (4 cyl) runs great for 20 minutes then boggs down

    Gee, I would expect the idle pickup timing to be 0-9*ATDC and max spark advance to be 21* BTDC, as is standard for all ADI motors. The 32* spark advance was for 1960s magneto ignitions, if I remember correctly.
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    Carpet glue

    Unfortunately epoxy resin does not do well in the sun.
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    Oceanside to Avalon

    A 270 * course is due west. If either of those places are on the California coast, and you sail west...., of course as Columbus said, you will eventually be sailing east.
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    Lower mount bolts

    Lower mounting bolts were 1/2" fine thread grade 8 steel.
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    Lower mount bolts

    Normally rubber mounts are the way to go. Solid mounts are for racing motors. Sierra makes them, although I had a hard time finding them. The web can help. After market were $50 each. Make sure to match bolt strength. My upper mounting bolts were 7/16, fine thread grade 8 steel bolts.
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    high idle

    Not sure what you are asking. The cold start lever should move down and stay there, if working properly. If not, there is some sort of issue with controller or motor adjustment.
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    Voltage Regulator Problem

    The VR has no role in the ign system. The only issue is whether she has enough battery voltage to turn the starter. Pull start should work, even with a dead battery. If the VR is not charging, it can be wires broken or corroded, bad stator or bad VR. No way to tell from here.
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    Gas Tank replacement

    Those fuel tanks are avail at wallyworld as well as other places. You would need the correct fuel line connector.
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    Oceanside to Avalon

    Gee, what state are those two places located? Did I guess correctly?
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    high idle

    Well, the cold start lever should be able to stay down. It could be an issue in the control, like dirt, or the control cables could be misadjusted. With the cold start up, the control will not usually allow the throttle to be pushed forward. Disconnect the throttle cable at the engine and...
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