xy motor

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  1. ©orza™

    YX with 30mm Molkt carb Tuning Question

    Hey All, Ok what yas all think. Both me and my girfriend have 140cc bikes with Yx motor and Molkt 30mm carbs. Her bike seems to be a little bit smoother than mine in the lower gears and a fraction bit more responsive, mine in the low gears 1st and 2nd at low revs tends to hiccup a little, also...