2005 crf250r front sprocket flat side in or out?

I bought the bike used and I think the front sprocket is on backwards. Now I am confused. New Renthal sprocket. Flat side toward engine or facing out?

small offset to the inside, i did it with the flat side out and found that it hit my case saver, especially if your running an o-ring chain.. install it in both directions and look for yourself just make sure you dont forget the washer..

Flat end out. The washers need to mesh with the flat end in-order to work properly.

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