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1988 omc cobra 3.0 liter 4 cylinder. Auto Choke Question.

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  • 1988 omc cobra 3.0 liter 4 cylinder. Auto Choke Question.

    This engine runs good but is hard to start on a cold morning. It has an automatic choke. I need suggestions on adjusting it or whatever will get it fired up in the chill here in the Great Lake State (Michigan).

    It cranks like it is not getting enough fuel.


  • #2
    Re: 1988 omc cobra 3.0 liter 4 cylinder. Auto Choke Question.

    Ayuh,... Do you advance the throttle to WOT, once to Set the choke,..??
    Do you pump the throttle at all,..??
    Any Grease is Better,..... Than No Grease at All.......

    Comment



    • #3
      Re: 1988 omc cobra 3.0 liter 4 cylinder. Auto Choke Question.

      I have not done that. So we should advance the throttle handle to wide open then return it to neutral and the choke will be set. Also the carb can be pumped by pumping the trottle a couple times?

      Comment



      • #4
        Re: 1988 omc cobra 3.0 liter 4 cylinder. Auto Choke Question.

        Originally posted by Bob1944 View Post
        I have not done that. So we should advance the throttle handle to wide open then return it to neutral and the choke will be set. Also the carb can be pumped by pumping the trottle a couple times?
        Ayuh,... Generally speakin',... on a Carbed motor...
        Cold start,...
        I go Wot, then about 1/4 to 1/2, til she Lights, then pull back to a Hi-Idle, say, 1000 rpms...

        Warm start, I go to 1/4, to 1/2, then hit the key...
        Any Grease is Better,..... Than No Grease at All.......

        Comment



        • #5
          Re: 1988 omc cobra 3.0 liter 4 cylinder. Auto Choke Question.

          With this four winds it will not crank unless it is in neutral. I have a bass boat with 150 hp merc that I can keep in neutral and advance the throttle 1/4 and it fires up. But with the four winds the throttle is straight up or it wount crank.

          Comment



          • #6
            Re: 1988 omc cobra 3.0 liter 4 cylinder. Auto Choke Question.

            Originally posted by Bob1944 View Post
            With this four winds it will not crank unless it is in neutral. I have a bass boat with 150 hp merc that I can keep in neutral and advance the throttle 1/4 and it fires up. But with the four winds the throttle is straight up or it wount crank.
            Ayuh,... It SHOULD have a By-pass built in...

            Pull out on the handle, or push in on a button, or Somethin'.....

            Never seen a controller without it...
            Any Grease is Better,..... Than No Grease at All.......

            Comment



            • #7
              Re: 1988 omc cobra 3.0 liter 4 cylinder. Auto Choke Question.

              I am sure you are correct on the by pass. I will figure it out. Thanks. I have puttered with about 100 boats since joining the forum and could not have done the things I've done without you folks.

              Comment



              • #8
                Re: 1988 omc cobra 3.0 liter 4 cylinder. Auto Choke Question.

                Should pull out if it is factory... Copy of the owners manual just in case http://www.fourwinns.com/past_product/owners_manuals
                sigpic

                87 Four Winns 170 Horizon 4.3 OMC COBRA"Only Child"
                only thing GM I own.. Of course it's the only one that gives trouble..
                2004 Ford STX 4x4.
                2011 Candy Apple Ford Mustang GT
                Hope all you want.. It won't get it fixed..

                Comment



                • #9
                  Re: 1988 omc cobra 3.0 liter 4 cylinder. Auto Choke Question.

                  Thanks, appreciate all the help.

                  Comment

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