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    Increase power 1993 150 proV

    Your speed is not bad for a 150 on a Bass boat. You might calculate the slip, which will not be much. Maybe raise the motor a bit to lower drag.
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    looking for key for remote johnson 60 hp

    Gee, this is a boat. Get a new key or a lock and key. One snip of a wire cutter allows the boat to be used. Boats can be stolen by towing them away with a rowboat, dingy or waverunner. Security is not paramount.
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    Swapping engines 2004 90hp mercury to a 1989 125 Force wiring

    Are you installing the '89 to replace the 2004? Usually, folks do the opposite. If installing the newer motor, you should price new controls. I paid $130 for new Merc controls and wiring harness. It was plug and play. The wiring for both motors is likely the same or real close, unless the...
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    looking for key for remote johnson 60 hp

    A quick search turned up lots of them. Amazon, Walmart, Wholesalemarine, Marineengine (May have a branch in Australia or at least they do ship there), eBay and others. Some must post to UK.
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    Which gasket??Can anyone Tell me what part I need to replace from this video

    You also might check poppit to make sure it opens at about 2000RPM. Otherwise, water pressure can get high.
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    Which gasket??Can anyone Tell me what part I need to replace from this video

    Overheat at high RPM can be caused by compression leaking into water jacket, poppit valve malfunction, bad thermostats, clogged main jets, etc. Not sure if leaking gaskets cause overheat. In your case, you might take a compression test.
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    johnson 60 hp key

    A quick search turned up lots of them. Amazon, Walmart, Wholesalemarine, Marineengine (May have a branch in Australia or at least they do ship there), eBay and others. Some must post to UK.
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    First Aid Kit

    Gee, A friend of mine had a single item in his first aid kit. It was a wood chistle. He said "I can do anything with that". Not sure I agree with that single proclamation.
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    Identifying my boat!

    My friend had a new 25 foot Steury, in 1976/77. It had a MerCruiser, but had different lines then the picture supplied. Not sure that helps.
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    Identifying my boat!

    Gee, the HIN would normally be on the starboard side of the transom. If no HIN there, maybe the transom was replaced?
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    Trim Pump Motor

    Gee, is that the correct PTT pump/reservoir? My '88 Alpha 1 used the white plastic reservoir that bolted (1 bolt) to the trim pump.
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    Sychonizing the Carbs on '96 Mariner 90hp OB

    Synchronizing of carbs is mechanical on Mercs. Not sure about Yammies. There will be set screws on the carb linkages. You loosen them all, set the throttle closed, and tighten the set screws so the carb throttle plates all open at the same instant.
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    Mercruiser - Stalls in Reverse

    The shift assist switch kills the ignition whenever shifting is hard, to unload the gears and make shifting easier. A binding shift cable simulates loaded gears. It makes no difference if the outdrive is up or down. Put the flusher on and see if she still stalls. If so, the cable is the culprit.
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    Mercruiser overheating

    Gee, test the thermostat in a pan of water on the stove. Use a candy thermometer to see that it opens at the correct temp.
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    98 Mercury 90 hp Throttle cable/throttle lever problem

    Add some preload to your throttle cable, to positively push the throttle closed. That should help shifting as well.
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    Sychonizing the Carbs on '96 Mariner 90hp OB

    When you say test ports, do you mean for vacuum gauges?
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    Mercruiser overheating

    You can use a flusher device at idle speed to test. A barrel of water is a bit better. Check the hoses out of the thermostat for hot water. If the hoses get hot, the thermostat is open and the water is being circulated.
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    Mercruiser - Stalls in Reverse

    Corrosion often gets to the part of the shift cable that needs to move to engage reverse, making it stiff. This stiffness caused the shift interrupt switch to kill the ign.
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    Mercruiser overheating

    So your new thermostat is stuck, or is it just still closed 'cause the motor is cold? Clogged exhaust manifolds and risers can cause overheat. Were those ever replaced? Also, a head gasket leak can cause the same.
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    Trim Pump Motor

    There are two different types of motors. The two wire motor works exactly as you described, with the PTT relays serving to reverse the polarity of the voltage on the PTT motor. Power is applied to one of the PTT motor wires via the relay. The other wire on the PTT motor is grounded, when the...
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