Woolich racing ecu flash and BW full exhaust problem
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Woolich racing ecu flash and BW full exhaust problem

This is a discussion on Woolich racing ecu flash and BW full exhaust problem within the Yamaha FJ-09 General Discussions forums, part of the Yamaha FJ-09 Forum category; Hi all! I have made an ecu flash in local dealer with woolich racing program and changed BW (blackwidow) full exhaust. Throttle response is much ...

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Thread: Woolich racing ecu flash and BW full exhaust problem

  1. #1
    Junior Member JanFin's Avatar
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    Woolich racing ecu flash and BW full exhaust problem

    Hi all! I have made an ecu flash in local dealer with woolich racing program and changed BW (blackwidow) full exhaust. Throttle response is much more better than it was before flash, especially in low rpm.
    However, when rpm is something like 4000-5000 throttle starts jerking and fuel consumtion jumps something like 7-8 L/100km. That is not ok and definetely something is wrong. Could you say what it might be? Bike is tracer 2016

  2. #2
    Member HyperNakedPimp's Avatar
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    If your not a tuner then you shouldn't be messing with your maps. You will end up blowing the motor. I would suggest you have a tuner fix this for you.
    2017 Yamaha FZ-09Modified

  3. #3
    Senior Member Cw09's Avatar
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    Feb 2016
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    North Central Florida
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    I think I'd be heading back to the tuner that installed it ...

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