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  1. cv carb tuning question. please read!

    Tech/Setups for Supermoto
    Hey guys I'm pretty new here but I am in the process of perfecting the jetting on my bike. Here is my dilemma 4th gear top speed 70mph @9500-10000 rpm WOT 5 th gear top speed 70mph @8000-8500 rpmWOT Why will my bike not push out that extra 2000rpm's in 5th??
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