FOUND IN CLOSED DEALER SHOP dealer said it is 1975 TS250. Solid pan and good foam. Look at pics closely to be sure. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Pistons, Rings & Pistons Kits".
The seller is "vintagekawchick2015" and is located in this country: US. This item can be shipped worldwide.