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    Please help 1975 mercury 200 20hp

    Any marine gear oil for mechanical shift outboards is fine.
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    1985 evinrude 30 hp prop power issue

    Possibly, if the hub was real bad. You can make match marks on the brass hub and the blade, run it in gear in the water and see if they move in relation to one another.
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    Broken leaf spring

    Sounds like a manufacturing defect. Leaf springs have been around since before the model T. On boat trailers in salt water they rust pretty quickly, but usually give visual warning before they fail. Of course, you do need to look 'em over...
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    Mercury remote 881170A15

    This is what you need, it has the relays which are $20 ea. I expect it to be quite common, as this was the first item on a gross search...
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    Kenwood radio interference issue

    There must be some sort of grounded shielding you can encase the signal wire in. I would have thought Kenwood would have thought of that, if their signal is so weak. Your motor is quite far away to interfere, IMO. What about the tachometer signal? That might interfere as well because is it...
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    1985 evinrude 30 hp prop power issue

    Prop hubs can give out. These connect the blades to the brass hub. If the motor revs up and the boat doesn't, those are often the issue. Prop shops can fix 'em.
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    Kenwood radio interference issue

    Your motor uses power from the ign key to produce spark. You might see if that purple wire is close to your remote wire. That is another source of potential interference. Try turning on the ign and not starting the engine. If the remote doesn't work, it might be for that reason.
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    Mercury remote 881170A15

    Well, you need relays and a new wiring harness for that PTT motor to work with your engine. A lot of 2 wire PTT motors come with those as a kit. Solenoids provide power to the PTT motor when energized, and are open when not energized. Relays provide power to the PTT motor when energized, and...
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    Solar Power Installation . . .

    Mt comment was for elsaylor who jumped your thread. He wants to recharge trolling motor batteries with your system.
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    Mercury remote 881170A15

    How many wires on the PTT motor? Solenoids only work with 3 wire (blue, green, black) PTT motors. Newer PTT motors often have only 2 wires. They need relays and some changes in wiring to work.
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    1993 50hp merc oil injection issue

    Yes, you have a fuel pump driven by crankcase pulses and an injection pump driven by a gear on the crankshaft. If you trace the fuel line from the fuel tank, it enters the engine, goes to the fuel pump and then you will see the oil injection line join it on the outlet from the fuel pump, just...
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    Another ‘No Spark’ questione

    Disconnect the kill wires at the switchbox to be sure those are not inadvertently grounded by rubbing against the cowling or engine.
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    Silicone question

    A lot of silicone is non-paintable.
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    Broken leaf spring

    Gee, Jimmbo, all three leaves broke, and they are not even rusty. I would suggest you hit something real hard or the spring was undersized.
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    Solar Power Installation . . .

    100 Watts is a bit over 8 amps with full sunshine. If your trolling batteries are depleted you will need 10 hours of average sunshine to charge them. You can therefore fish every other day, if the weather cooperates. Is that your plan?
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    Solar Power Installation . . .

    10 watts? Gee, can anyone spell generator? For the price of the solar panel alone, you can get a nice quiet compact one. It will be much better for charging up trolling motor batteries after a day of fishing, as it don't care if the sun don't shine, and works at night too.
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    Outboard wont start after running for a while

    Carb motor, right? Thesefore it sounds electrical to me. When she won't restart, check for spark at the spark plugs. All you have on that motor that is electrical is ignition.
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    trailer manufacturer picks?

    for salt water, it must be galvanized. Painted steel will rust and you won't be able to do a thing about it, no matter what you try. Load rite is pretty popular around here.
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    Broken leaf spring

    Sure, leaf springs break all the time. Usually they get all rusty and look like that have a kink starting. Replace it with the same kind or maybe a bit heavier. They are available on the web at east coast marine and other places.
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    1993 50hp merc oil injection issue

    Right, the oil reservoir gravity feeds oil into the pump. The pump then pushes the oil thru a Y into the gasoline line. You might disconnect the pump output line and run the motor on premix and see if she pumps oil. Some Mercs have a plastic gear that drives the pump. These fail over time...
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