Also sorry for your loss, Bob, but I have to say, you really should consider the feelings of your daughter on this one. Clearly she is upset with the loss of her son and blames it on the sport, motorbike, etc. (which isn't untrue - she's justified).
Keeping it around will more than likely make it more difficult for her to mourn the loss of her son, and might cause a rift between you and her, as to her, it seems like you are choosing the bike over mourning your grandson.
Just going off what I've noticed about women and what I've learned.
This is just what I would do, so please don't take offense - it's my personal opinion. But I would let her do whatever she wanted to that bike and just let it go. Part it out, destroy it, whatever. It's just metal and worthless. But her knowing that you got rid of it may make it easier in her eyes to let go and move on.
2009 Aprilia Tuono - Ginger
2001 XR650R BRP (Big Red Pig)
2006 Honda 599 - Ex wrecked it :-D
2007 Honda CB900F (sold)
2006 Honda VTX 1300C (sold)