any of you guys have miss shift occasionally on these bikes under load. i noticed on my 2012 this happens sometimes racing, not sure what the problem is or the fix. thanks
Never had a problem on my '09, but my Dad's '11 needed the tranny replaced because it was chunking gears. He missed a shift on a face and broke a collarbone.
Make sure your boot makes a solid shift up sometimes the lever is too high or low creating problems, and experiment with different tranny oils. Unfortunately once you miss a shift the gearbox is more likely to do it again. Engagement dogs get rounded and shift forks are ground away a little each time.
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