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Discussion Starter #1
Hi everyone. 2013 cbr600rr on the track I have very intermittent issue with engine cutting.
Happens about 3 times per track day at around 14,700rpm engine cuts off for about 0.1 seconds. Completely dies, and instantly goes back on. Obviously it's a bit scary because my front end gets loaded up instantly, and then a slight slip of the rear/clutch when engine kicks back on.

Another possibly related issue, every time I turn on the bike, and rev past 2000rpm for the first time only, I have the same hesitation engine cut. After that, I can free rev from idle no problem.
if I turn off bike, and turn it back on - again, once I rev up in the pits at around 2000rpm, engine cuts for 0.1 seconds and comes back on. It does that every time without fail.

Any idea of what I should troubleshoot? Crank position sensor? Rectifier? I already tried a new battery.

Thanks
 

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Discussion Starter #4
yes - bazzaz, but I tried another bazzaz unit today at the track, and same issue :(
No codes available for me from ecu because I don't have dash (using 2D dash)
 

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Discussion Starter #7
it's HRC ECU, so no dash output possible.
already unplugged quickshifter and didn't solve problem.
Thanks for brainstorming with me guys!
 
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