checking belt out and found this mark.like a surface scratch must have come from a road patch and a piece of tar got stuck in there. It goes every 8th tooth. also what do think of my pully? just wondering i was thinking it should look smoother.one last thing my rear tire has a flat spot all the way around the middle. is this normal? psi at 40 and around 2200 mi on frnt and rear.frnt is at 36 psi and no flatness to be seen. thanks for your help.i did check rear pully and cleaned it.
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