VORTEX FRONT SPROCKET

It shouldn't matter if you are running the stock front sprocket. There could be a couple different issues if the chain isn't seating right. If you are using your stock chain, it could just be too stretched out. The only other thing I could think of is if the sprocket's teeth are somehow off in spacing. I would recommend picking up a new chain if you haven't already done that, or contact Vortex to see if this is a common issue.

when your going to buy a new sprocket or chain its a good ideal to go ahead and buy both front and rear sprockets and a chain at the same time because these parts wear together,your chain is probably just to stretched to fit in the new sprockets teeth.i would go ahead and get a new chain and front sprocket if i where you