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high rpms

  1. loss of power at high rpm only

    Raptor 660 General
    ive got a 03 660r, ive got a new aftermarket stator/pick upcoil. it is rated for an extra 50 watts over stock, an amr coil and stage 3 cdi box. prior to installing those last 2 electrical parts the engine is stock. i do have a lrd pro4 exhaust, the k&n air lid filter with the k&n replacement...