someone probably replaced it with a polisport fender or something, I know you can buy aftermarket fenders that don't ahve the spot for a light.here shine take a look at the fender and tell me that is a KX fender
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Here is a KX OEM fender, it doesnt' have any bolts on top
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Here is a shot under the bike
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Here is a OEM fender for a KDX, clearly there is a spot for a tail light but not on the one I have
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