I just bought a LF Trip on ebay and it was in great shape with the exception of the fact that the white is kind of yellowing. When I took the bindings off you could see a huge difference. Is there anything that can get the white back?
Even then it won't even out, unless you cover everything but the bindings! The same thing happens to all of my boards when I let them sit in the sun too much. Then again, you wakeboard in the sun so it's bound to happen eventually.