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Idle Speed Too High 200 2 stroke

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  • Idle Speed Too High 200 2 stroke

    I own a 2001 200 hp 2 stroke OX66. I followed idle adjustment procedure out of Factory service manual , and I can not get the idle below 1000.
    Engine runs fine otherwise .Do I have a vacuum leak that I cant find??
    Any ideas??
    Joe in Tampa

  • #2
    did it used to idle correctly ?
    what happens when you disconnect cable @ motor and wait till rpms drop after warmup ?
    have you cleaned /tested O2 recently ?

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    • #3
      idle too high 200 2 stroke

      What cable are you referring to?

      This engine gets used alot and has always idled well.

      Dont know why it wants to stay around 1000.

      I cleanedO2 thoroughly last January

      Thanls again ,

      Joe in Tampa

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      • #4
        Did you do the sync & link before setting idle?
        1999 Grady Sailfish SX225 OX66
        1998 Grady Tigercat S200 lightening strike (totalled)

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        • #5
          referring to the throttle cable

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          • #6
            A Sensor out of spec can cause high idle, may need to check with motor on a computer

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            • #7
              sync and link helped me out

              thank you all for the input on the sync and link and the cable adjustment

              I did as you said and got the idle down to about 750 which was about what it had always been .

              You folks are great and I appreciate all the help !!!

              Joe in Tampa

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