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  • omc warning alarm

    Hi guys I have an alarm on my 84 235.

    The alarm is constant and comes on when you turn the key (before the engine is even cranked) to the on position.

    Since last running the boat I have charged batteries, installed new battery switch, and pulled the foot and replaced water pump.

    Help me please. Trying to make jeckle island for the 4th July.

    Thanks
    1978 Mako21[br]2001 200 Rude[br](under the knife)[br]1993 Proline 241[br]Yamaha F225[br]

  • #2
    Is the oil injection conector hooked up? If I remember your setup you are premixing, correct? make sure the wire harness from your VRO is not hooked up. (I think its a 3 wire harness) dave.
    [br]1994 Mako 215 Dual console Optimax 225[br]1978 Mako 19 with 90hp johnson[br]1996 Mako 22[br]1982 Mako 171 Angler 135 Black Max Mercury[br]1987 21b 225 Yamaha[br]1974 23 inboard Gusto gone.[br]1979m21 225johnson \"blue dolphin\" bought off this board and restored [br]with everyone\'s help!!Gone but not Forgotten....[br]1979 20 Mako 115 Suzuki gone[br]1977 19 Mako 115 Johnson gone[br]1976 23 Mako twin 140 Johnsons gone[br]1983 224 with closed transom and bracket[br]And 162 SOB (some other boats)[br]Venice Florida, Traverse city Mi.

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    • #3
      After what Dave said, you might even have a bad alarm. the OMC alarm will be constant when overheating, but intermittent when short VRO. Of course the engine would or had been running and had been overheating, so that when you went to restart, the alarm would sound when key is 'on'. I have the '85 service manual and can send you that info if you want. I'll re-read it now and see if anything pops out.

      Mark
      \'73 22 Mako Reedville, VA

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      • #4
        Well guys I got a new buzzer and it worked for a little while. Eventually it quit working and my volt meter is fried. Apparently I have a short in my harness somewhere. Damn it... I guess I want be boating-fishing at Jeckle Island. Four days with the family, captive at the beach. FUN FUN FUN

        Ive got plenty to be thankful about though!!

        To those who were at the Funament @ Destin, my foot on the motor actually had a sheared shaft, just below the water pump. Ive been real busy but thanks for the good time everyone.

        Patrick Barber

        P.S. Im ready to rebuild. Trim Tabs seem to be a must. Ive got rot on my gunnels but everything else seems good.

        Tabs

        New Power (rebuilt Blackbird Rebuilders on the net)

        Wiring

        Instraments

        Moving Batts. to console

        Bilge Pumps

        Wash Pump

        Bait Pump

        T-top

        Leaning Post

        $12-$13,000 Sound about right
        1978 Mako21[br]2001 200 Rude[br](under the knife)[br]1993 Proline 241[br]Yamaha F225[br]

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        • #5
          I wonder if you would be better selling your 235 and getting a newer power plant. I saw a fair amount of corrosion while wrenching on it at the party. Is the engine actually running at a warm temp. or is it running hot? I have smelled lots of hot outboards when the pump quits or thermostats stick and its something you wont forget.

          You might want to post your problem over on this omc mechanics website there often good at helping on older omc's. one of the better wrenchs even posts here sometimes (dhadley)

          http://www.iboats.com/cgi-bin/ubb/ul...ubb=forum;f=28

          dave
          [br]1994 Mako 215 Dual console Optimax 225[br]1978 Mako 19 with 90hp johnson[br]1996 Mako 22[br]1982 Mako 171 Angler 135 Black Max Mercury[br]1987 21b 225 Yamaha[br]1974 23 inboard Gusto gone.[br]1979m21 225johnson \"blue dolphin\" bought off this board and restored [br]with everyone\'s help!!Gone but not Forgotten....[br]1979 20 Mako 115 Suzuki gone[br]1977 19 Mako 115 Johnson gone[br]1976 23 Mako twin 140 Johnsons gone[br]1983 224 with closed transom and bracket[br]And 162 SOB (some other boats)[br]Venice Florida, Traverse city Mi.

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          • #6
            Dave

            Absolutely, Im getting new power. Either a 250 ox66 or a 225 omc runner. What kind of performance do you get with the 225. I want plenty of power. Moving the Batts to the console will counter the weight issue. Could you use more power? I usually fish four or five 200-250 lbs boys with me and 86 gallons of fuel.
            1978 Mako21[br]2001 200 Rude[br](under the knife)[br]1993 Proline 241[br]Yamaha F225[br]

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            • #7
              I am overpowered a little in my world, I run maybe 10 miles out and start up the kicker and troll the rest of the day. Fire up the 225 and head home. average fuel for a saturday of fishing is between 10-14 gallons. 235 is all your boat is rated for. I think a 225 would make you smile. dave btw top cruising speed (3/4 throttle) is around 36mph. @5000rpms. top speed is 42 @5600.
              [br]1994 Mako 215 Dual console Optimax 225[br]1978 Mako 19 with 90hp johnson[br]1996 Mako 22[br]1982 Mako 171 Angler 135 Black Max Mercury[br]1987 21b 225 Yamaha[br]1974 23 inboard Gusto gone.[br]1979m21 225johnson \"blue dolphin\" bought off this board and restored [br]with everyone\'s help!!Gone but not Forgotten....[br]1979 20 Mako 115 Suzuki gone[br]1977 19 Mako 115 Johnson gone[br]1976 23 Mako twin 140 Johnsons gone[br]1983 224 with closed transom and bracket[br]And 162 SOB (some other boats)[br]Venice Florida, Traverse city Mi.

              Comment


              • #8
                Pat, you have a short in your alarm circut. You can use try to run a jump wire from the harness to the key switch. Try running it on deck first and if successful, you can run it below deck. Use your old buzzer alarm while testing....the OMC alarm with the test circut will fry very easily. You can also get an alarm horn from radio shack. Just remember that the alarm circut goes to ground to activate. Tony
                79 Mako 23[br]85 Wellcraft 18 fisherman[br]Hammond, La.

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