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'98 25HP Force

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  • '98 25HP Force

    My son has a '98 25HP Force OB.
    Runs but will only idle with the choke closed.
    We dismantled toe carb, cleaned, replaced needle, adjusted the float level and re-assembled.
    I tried adjusting the idle mixture......no help.
    Any other hints?
    I covered the idle air bleed jet and it had no affect???
    Didn't remove the main nozzle......maybe I needed to for additional cleaning?
    '95 Grady White 268 Islander
    Twin '95 Johnson 175's

  • #2
    Sounds like not enough fuel coming through, will it idle with choke open while squeezing primer-bulb?
    "Success is walking from failure to failure with no loss of enthusiasm." - Winston Churchill

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    • #3
      Didn't think of that!
      Has a primer on the front of the engine......I think pressing that helped when pressed.
      Will need to verify next time........
      '95 Grady White 268 Islander
      Twin '95 Johnson 175's

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      • #4
        I would pay close attention to the fuel-lines/clamps; replace them if you never did
        "Success is walking from failure to failure with no loss of enthusiasm." - Winston Churchill

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        • #5
          Motor is new to us.........clamps/lines is another good suggestion.
          '95 Grady White 268 Islander
          Twin '95 Johnson 175's

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          • #6
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            There are 3 jets that have to be open to make sure the carb operates right.
            It sounds like one is clogged??

            2 on the top of the carb(one under a white screw)
            The 3rd on the side of the main nozzle.
            Make sure they are open, a welders tip cleaner works well.

            On the top of the carb is the air screw.
            Set it at 1 1/2 turns and adjust from there.
            The first 4 posts in this forum have tips and trick to make your motor run better, they include
            a link and sync setup for just cleaned carbs.



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