I'd take it back to the stealer and try to get them to replace it first, even though it's not covered any more. It's a known problem and Triumph may do something about it........ or not. Still it's worth a try. If enough people complain about this it may cause them to have a recall for it.

Chip Sciarra "07" America, N.C.Switch Blade windshield, Moto Lights, Tri. Off Road pipes