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  1. #1

    Throttle stuck open on 2000 Ultra 150

    Need help. just got my ultra 150 out. The throttle is stuck open. The cable is not rusty and moves freely. Took the carbs off and can't move the valve flaps by hand. Acts as if it is jammed. Choke valve flaps move fine. Any ideas?

  2. #2
    If it is corrosion locked up and penetrating oil would not free up, dunk in a diesel fuel over night.
    Think of diesel fuel as heavy-duty WD-40 and one gallon of diesel fuel is much cheaper than a gallon of other such chemical.

  3. #3
    Replace throttle cable if you can move by hand

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