https://www.ebay.com/itm/284231374608
not tz. its a gus kuhn aftermarket tank. nice, i had one but they are HUGE. and fiberglass. mine had lugs to direct mount to a 400 frame and stock (yes stock) petock, just fyi
This one? http://www.2strokeworld.net/forum/index.php?topic=1182.msg10093#msg10093
same tank. yup. i went with a norton tail on mine though. and a jelly donut.
Sold quick.