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  1. Raptor sputters out at 3/4 to full throttle

    General 660 Discussion
    I recently just bought an 03 660 raptor and it starts an idles just fine but when I get to get on it from 3/4 to full throttle it sputtered and kicks in a little then sputters again. It has an after market lexx mxe slip on. Could jetting be an issue. Thanks in advance