Zorce,
I have a 2009 Xciting 500 and that's been happening to me every time I fill up lately. I have been using Armoral and it seems to do pretty good. However when the sunlight is on it at just the right angle you can still see some of the black color loss. Might try one of the other chemicals mentioned in this post. An interesting thing about my fill ups lately. For a few months I had no problem with the gas pump shutting off as it does in my car when the gas gets to the top of the tank but lately it over flows every time now. I have noticed that the pump does not make a good covering of the gas hole but it never has but was never was over flowing till just the last few tank fill ups. Anyone have any thoughts?
Thanks, Scooter65