Originally Posted by motordavid

"when do you usually replace your oem stock tires?
so the tires on my 09 30i are at 63,000kms. i wonder if they are junk. lol"

I replace my tires when they get worn to near the 'wear bars'.
I replace my m'cycle tires sooner.

I would suspect many of the readers/posters get varied mileage, but yours at ~36k miles may, or may not be ready for replacement.