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75k

  1. M

    Hyper 821 won't rev over 7.5k

    Hey everyone, I hoping you guys might be able to help me out. I have a 2013 hyper which I recently did some upgrades to including, Rapidbike Evo + qs, MWR filters + power up (added filter), removed flapper valve, and a SC projects oval slip-on. Note all done at once. I've uploaded Kuksul08...