not necessarily. with so many mating parts and such tight tolerances, something that is spinning at 16k RPMS could very easily shave off a bit of a gear and you may never see that happen again.
I have fished a few small pieces out of my bike that look just like that and I beat the ever living crap out of my bike. Still runs and shifts like a champ.
I'm always overdiagnosing this bike haha. Everyday I go "oh no 2nd is slipping!". Then I realize its not and its just me. And my crap tune.
06 ZX6R (traded out)- Vortex Rearset, GPR V1, Pazzo clutch lever, CNR Brake lever, Secondary Butterflies removed, PCV+Autotune, Micron Serpent Headers/Midpipe, Yoshimura RS-5 slipon, MotionPro Throttle, Ram Air mod, Jumper mod
16 300 ABS - Wifey's
98 ZX6E - Basket case at the moment
10 Ducati 848 - Woodcraft rearsets