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    1978 Johnson-Evinrude Electrical Issue

    https://maxrules.com/graphics/omc/wiring/78-84_3-CYL_EL.jpg
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    Basic Evinrude 15 question

    nothing new under the sun....1977 dead ringer with a 85
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    Backup temperature gauge+sensor (digital)

    agree.. I am just offering options for temperature alarming. personnaly I have never had a temp. alarm in 60 years of boating. noise smell and steam is usually enough to warn me.
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    1978 Johnson 85ML78C

    I had some connectors not latching (locking on) if the lip was not bent out just a bit. if yours locks solidly don't " fix it "
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    E-tec 40 hp

    540 hrs is about 50 / year ... nothing to worry about if you keep giving it TLC. it should run fine another 20 years minimum (1000 hrs more) some ETEC have been run 2000 hrs new impeller every 3-4 years to be safe but I have gone much longer on my 75hp check gear oil mid season or minimum...
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    Backup temperature gauge+sensor (digital)

    here is a nice adjustable set of sensors..... works on 12vc and can alarm anything you want...
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    1978 Johnson 85ML78C

    hose sizes differ but to my knowledge the OMC connectors are standard and have been since the 60s make certain the click engages some cheap one the click tab needs to be bent a bit outwards
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    2000 Johnson 50 hp engine surging

    that picture of the hose is a keeper for our files to remind folks it does happen !! gray trash "!
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    Basic Evinrude 15 question

    ok if all else fails drill a " side" 1/8 hole in line with the rear latch mechanism... or just above it ..........spray wd40 or similar release agent with the plastic straw repair.. plug the hole with crazy glue and baking soda. put a piece of scotchtape on the outside surface...
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    Basic Evinrude 15 question

    posting the mdl #/ year will help....check the plate here is a 1985 mdl push down on the rear hood turn handle down when open grease it
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    1978 Johnson 85ML78C

    interesting to see how one can be so neglectfull as to let an investment perish beyond junk value.... a lot of oldies from the 60s look better than this one.! must be the salt.... 10c/lb sound reasonnable :-)
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    Mid section filling with water

    weep holes could be clogged with dirt ... slowing down the draining ? tried cleaning them out maybe air pressure, but if crud accumulated inside cavities it will likely plugg up again. drop the LU and check cavities see this little Merc..... it wasn't draining much !!
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    2000 70 hp

    Iknow looks don't count but with that compression ...if accurate that engine certainly looks like it was given lots of TLC .
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    Johnson temp issue

    in the 1989 150hp 9 amps model the sensors are all bridged and sent to the front via the large connector to activate the buzzer via the main TAN wire https://maxrules.com/graphics/omc/wiring/REMCONTBOX.jpg
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    Someone knows fersure. Sneezing and idle screw does little

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    Johnson temp issue

    the 1989 wire diagram for the 150 shows several sense wire merging in a diode cct with one conductor going into a control cct. presumably an ingnition controller driving the spark plugs . I imagine any ground from any sensors are merge and directed to the control cct (CDI) to alarm...
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    Johnson temp issue

    Matt sorry not for this one. but I will reseach Racerone should have all this info ???
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    Someone knows fersure. Sneezing and idle screw does little

    or...carefull spinning the needle in a drill at home on 200 grit paper should sharpen it up.
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    Someone knows fersure. Sneezing and idle screw does little

    well you could try it ... bring them a print of what hey look like new
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    Help! 1973 johnson 65 outboard

    can't do much if it won't turn unless the starter is jumped the ground lug needs a good cleaning looks lie the large plug needs to be openned and checked out for corrosion looks like the battery cable to solenoid needs a good clean same for the fuse holder etc... etc... overall...
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