Not mine but I recall someone wanted one?
See http://www.ebay.co.uk/itm/ACERBIS-FRONT-DISC-GUARD-YAMAHA-TTR-250-/132018797871
Exeter, Devon, UKhttp://www.ttr250.com - The one and only dedicated TTR250 FAQ!
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It's found a good home.
Disk covers were the go for a while back on the early days of disks I like the look but in two minds as to there benifit
They would be good in thick bush