Nay, nay I say. Those are YOUR parts off of YOUR bike. It's not like you're leasing it, or that they need the old parts as a 'core' to rebuild from (like an alternator, starter, A/C compressor, etc from a car). I would be a trifle ticked off, I believe. Time for another opinion (answer/response) from another dealer about their policy on removed parts. 90 days? Why? Keep us informed.........
Warchild???