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https://www.ebay.com/itm/1978-Yamaha-Other/233002819413?hash=item36400cdf55:g:QiIAAOSwIJFb6YAr:rk:6:pf:0ngDon't think I've ever seen one with this body kit.
Well you've been lucky so far..!
I found one of those Tracy one-piece fiberglass body kits in the dumpster about twenty years ago. I examined it... seemed okay... slid it back in.