Jawa Moped Parts

I just got a Jawa 210 motorcycles and all things, I just wanted to know if three, all sites for parts or can I use other parts to this. The thing is this moped is driven by chain and all the others are the tree or chain, but there is another side. I neeed help

Here is a page full of breaks motorcycle

http://bikersindex.com/junkyards.html

try ebay and I was also thinking bikeboneyard.com parts Jawa ... Bby I bought before and they are good enough to cope with ... and they accept paypal