weird

Hi guys! My rc [125, 2017, 2k miles odo], is doing something odd, around 7-8k+ rpm i can feel weird vibrations, its getting worst over time. I did velve adjustment, 3 velves ware off, nothing big but still, chain tensioner looks like its doing it's job, everything is seal, fresh oil, factory...

Okay peeps...this is going to sound vague but this is all I have. My bike is sounding weird and riding weird. First off, backstory/mods: Gaffer 320 rotor, PCV, open airbox, removed that stupid hose, manual cam chain tensioner. Did the airbox mod, got used to the nice growl and intake...

Hello guys, ive been searching for the problem that causes my bike to produce some kind of weird noises. Its hard to describe how the sound really is because im indonesian and i dont really that good at english. Anyone have this kind of problem?