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byw

YZ 426 Question

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I'm going to do the BK mod to my 01 426.All stock jetting 162 mj,42 pj,72 (forgot the name jet :ride: )with a FMF powercore IV pipe and a power now on carb.What jetting changes need to be made if any to compinsate for the bk mod.Live and ride in Northern Michigan.No bog to speak of just a little slugish when you putting around and then pin it.Thanks Guys.

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