http://www.ebay.com/itm/1976-KTM-Penton-250-Parts-Lot-Ahrma-Vintage-MX-Calvmx-/351968587295?hash=item51f2f66e1f:g:OUEAAOSwImRYgV-4
that counter shaft sprocket has seen a few miles!
1976 MC 5 Original Owner
1982 Suzuki PE 175
1976 Penton 175 XC
1985 20' Hi Point trailer