Main Motorcycle: Triumph TR7
Join Date: Feb 2012
Location: Norwich, England
Other Motorcycle: T140
Extra Motorcycle: Most of another T140
Hmmm, looks like you've got an earlier tank. The 1976 tank did not have a seam along the centre - I'm npot sure when these were phased out but I think around 1972. The fastening kit you've got looks right. Problem is, the tank you're using seems not to have any flange at the bottom of the mounting hole/tube. This is basically a washer welded into the bottom of the tube, onto which the rubber part crushes and expands when the nut is screwed down. You could use this tank if you want (as long as it fits in every other respect, which I imagine it will), as long as you get a washer welded in the right place to make the fitting method work.