Mighty thin stuff to weld and grind down , it would be easy to make a new one out of some stainless . There's a pillion every now and then on eBay , may be prudent to get one just for the bracket , then you'll have a spare .

2005 Model . Two Fast Eddy stickers , a bell and a clock . She's Lola . She tinkles and keeps time . http://s649.photobucket.com/albums/uu211/britbike05/