I don’t have a 500 in my AF, but I do own an Acerbis tank. They carry the gas high, and outside the rails a bit. On my bike, it goes over and replaces the frame mounted shroud mounting holes on the side. It also angles the seat up more than my IMS tank. It does have more bottom clearance than the IMS though. One thing to consider is that it does have a pronounced lip over the seat that could do damage to your goods in you slide too far forward (like in a wreck).