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  1. M

    RC390 2018 T.P.S problem. ECU closing throttle by itself.

    Hi. I have problem with my RC390 2018r. During acceleration (full opened throttle) bike cuts off in way similar like QS would do this (it just feels like QS). I was looking everywhere and finally got to to the TPS voltage. Happily I have RapidBike Racing installed that monitors TPS vlotage. I...
  2. M

    KTM RC390 2017+ rev limiter, Rapid Bike Racing

    Hello, I have RC390 2019, I have installed RapidBike Racing + wideband o2 sensor. The power gain was noticeable:) Sadly it is not possible to alter rev limiter with RBR module. As I heard this can be only done by flashing stock ECU with proper map. I went to dealer and he connect service...
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