What to find used parts for a 1978 yamaha xs1100 motorcycle street bike?

hi put a search in for XS1100 owners club/forum there is one in the uk and you should be able to get links from there,ebay uk and europe , these bikes were popular in the uk,france and germany,also try the vintage japenese motorcycle club (VJMC) nice bike i used one as a courier bike heavy but fun all the best jo58  more