CAN YOU HEAR YOUR CHAIN WHEN YOU ARE GOING DOWN THE ROAD ???? I COMPLETLY CLEAND MY CHAIN WHEN I GOT MY BIKE TOOK IT OFF AND SOAKED IT IN KEROSENE, THEN SOAKED IT IN 90W LIKE THE MANUAL SAY"S. I KEEP MY CHAIN CLEAN (W/WD40) AND KEEP IT LUBED AND ALWAY"S PAY ATTENTION TO THE ADJUSTMENT, IT'S NOT AT THE REPLACE MARK ON THE SWING ARM YET AND I HAVE LOOKED AT THE SPROCKET'S THEY LOOK GOOD, NOTHING STAND'S OUT AS FAR AS WEAR...

 

If I'm not wearing ear plugs then I can hear it

I'm not the only one!

 

so........ some chain noise is normal ???

 

Stock exhaust = chain noise and valve noise. 2Bros = no chain noise