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  1. #1

    oil fouling on the 750

    i have a 94 750xi with the dual carbs. I rebuilt the carbs and all of that good stuff but recently the front cylinder is LOADING up. this isnt a wet plug, but it is oil. The mag plug is covered in tar and is sooty black after about 2 minutes of runtime, while the pto looks great. What would cause this?

    (it still has oil injection)

    thnaks


  2. #2
    steve45's Avatar
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    Not sure. Swap the oil lines at the pump and see if the problem moves to the other cylinder. Make sure you get any air bubbles out.

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