I am not even myself selling this engine but as soon as I saw it I knew I had to share it here; Some of you might be interested.
http://www.ebay.ca/itm/1965-Montgom...rcycles_Parts_Accessories&hash=item3a73705de2
http://www.ebay.ca/itm/1965-Montgom...rcycles_Parts_Accessories&hash=item3a73705de2