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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
 
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