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  1. #1

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    2003 stx-12f fast idle

    Need some help guys. Boss man has a jetski that I have cornered to most likely be the one listed above. He took it out of storage this year and says the idle is fast. Wants me to fix it.

    From what I can tell from reading it appears that this ski has an iac that is tied in with the kss and can go bad. How would I test this part to verfiy, and/or what else should I look for. Not a kaw guy, but have done polaris and seadoo.


  2. #2
    Formerly Ultra250 TN Aquaholic6801's Avatar
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    You can just unplug the KSS and see if that helps....

  3. #3

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    I assume you mean the electrical plug of the KSS. Where would I roughly find this part on the ski?

  4. #4
    Take the time to smile sirbreaksalot's Avatar
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    Wont be the kss switch as it also need speed input to increase idle speed...

    When you turn ign on or off you should hear a series of clicks/rattling noise from the throttle body , IAC motor resetting it self

    See if u can hear these first
    Waz

  5. #5

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    Ok. Yeah I read a faq someone did that dealt with rough idle an mentioned the clicking. I have not put hands on the ski yet, but trying to get my ducks in a row for when it hits my hands

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