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dyno jet problems

2311 Views 7 Replies 6 Participants Last post by  john
friend has a es just put 28 mudzillas, 1" lift, and dyno jet. breather system is still stock. Put a 136 jet in and when he gives it gas it starts to miss and knock it also will not idle correctly except with the chock out. What size jet does he need? Thanks
1 - 2 of 8 Posts
130 if no mods to increase air flow...if he puts mods like pipe, snorkel, high performance filter and such he should go 136 and if that doesnt work just try a few others and see which one it runs best with.
everone's bike is different...the best thing to do is probably just to keep on tryingg until you find the best one.
1 - 2 of 8 Posts
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