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    1999 Johnson 150 acting up

    Ricky, I have a '98 Johnny 150 that used to do that. I changed the thermostats and that helped. The work around was to start the motor let her high idle until she smoothed out and ran correctly. I only had that issue when at the "sandbar" (actually Tice's Shoal), and it was usually so...
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    Starter?

    A lot of MerCruisers have a slave solenoid mounted on the block or manifold. The ign key energizes them, and they in turn energize the starter solenoid. Check out a wiring diagram for your engine and see if you have one. Here is a video on replacement of the slave solenoid. Note the red...
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    What control cables are these?

    OK, so no other responses. I will hazard a guess. Those look like control cables for a straight inboard motor.
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    I/O (Sterndrive) Conversion to Outboards

    The rubber bellows are real thick. They get real crusty and cracked when they need to be replaced, but they usually don't leak. You should run a hand over them every season. It will be obvious when they need replacement. But you gotta look.
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    Can I use a 3 wire PTT motor to replace a 2 wire PTT motor and keep the relays?

    Some years ago I replaced my entire PTT system on my '93 Merc V6. The original PTT system was 3 wire. The replacement PTT system was 2 wire. I swapped out the solenoids with relays and the included wiring harness to make it work. I have a 3 wire PTT motor from some years ago, that was...
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    Need with what Battery is needed

    Must be a reading comprehension issue. So you meant other people running out to the sand bar, but not you. It is clear to me now...
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    Not shifting to reverse / 1978 Mercury 500 Thunderbolt 50HP

    The cable OEMs usually have a formula for that. Teleflex was a large OEM. It looks like Seastar bought out Teleflex. I would try their website.
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    Shift Lever Question

    The switch is at the top of the shifter, and it's wire runs into the body of the control. Some of them have an access plate on the length of the shift handle. The access plate is easy to remove and you may see if the wiring is rubbing. The other choice is to remove the shifter handle and...
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    point and condenser - Tune Up OOOOOPS!

    Sometimes the points pivot has a groove to receive a circlip. Johnson/evinrude points sets have that, not sure about Cobra.
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    Starter?

    Starters typically use 150amps or more when starting the engine. They are usually unfused. The ign fuse is for the slave and starter solenoids, plus fuel pump and ignition power for spark. Alternators are usually unfused as well, because if the fuse were to pop, the diodes in the alternator...
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    Need with what Battery is needed

    Gee Dingbat, in post 10 you said you ran out to the sandbar and used 80amps/hour. That was the source of my observations. Now you say you never go to the sandbar and only fish with the engine running but use so many amps that a marine alternator cannot keep up. That is unusual.
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    Starter?

    You should see if the starter mounting bolts are loose. They can make all kinds of noise, if loose. The starter circuit should be pretty simple. Power from ign switch to start terminal to slave solenoid to starter solenoid. Of course, the fuel pump feed should be fed from that circuit as...
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    Need with what Battery is needed

    So you run your radar, FF and chartplotter while at the sandbar? Seems unnecessary. Your stereo runs a 40amp fuse? That would require 8ga wire, I would think. Seems like overkill.
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    I/O (Sterndrive) Conversion to Outboards

    Lou, I understand the trends you see. I see them here as well. Now if you want to make the conversion or sell/buy a new boat for 6 figures, that is a way to go. I am not sure it is worth it to defeat the barnacles and the sterndrive maintenance. Have you tried brushing on Trilux or some...
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    Need with what Battery is needed

    What are you going to run that burns 80A? Gee, switch the battery switch to one battery when you park. Run all your stuff, and then switchover to the fresh battery to start the motor. Switch to both with the engine running and drive home. If you want to be a big wheel, use battery 1 on odd...
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    Tilt and Trim 150hp Mercury v6

    There is usually an oring between the PTT motor and the pump.
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    I/O (Sterndrive) Conversion to Outboards

    A 33 footer will have the engines under the deck, and out of the way. Why do you want to change over? I presume you have a hot water heater. That will be a PIA to convert to OB power. Rebuilt I/O engine blocks are pretty cheap. Outdrives are also pretty cheap (under $2K). You could convert...
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    Need with what Battery is needed

    A V8 should easily keep both batteries charged. They have a minimum of 40A alternators. Some marine ones are 60A. What kind of accessories are you planning to run? GPS, LEDs and radios take minimum power these days. I suppose if you ran a 24V trolling motor most of the day and just ran the...
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    Tilt and Trim 150hp Mercury v6

    PTT is Power Trim and Tilt unit. Gee, I would first install the new manual release valve and retest.
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    Shift Lever Question

    Gee, at least take the cover off on the handle and look at the wires. If you don't see anything, you can always replace it. I predict it will break more.....
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