Hi,I tried the one off my yam tdr250,more or less fitted so i bought a copy from a site on ebay,think about £24,just never got round to fitting it, offered it up and all it looked like wanted doing was to drill and tap into the outer fuel flange,position has to be bang on for the locking latch to catch behind flange, ideally a new outer flange to suit cap wants fabricating[if it stops bloody raining i might just get to finish it *]p s tdr125 cap same