This is a reprint of the original factory interim 650cc parts manual Number 1. It covers the 6T Thunderbird, TR6 Trophy and the T120 Bonnevillle 120 Models. From Eng No. DU101. It also includes Service Bulletins 243 & 244 dated March 1963. It shows the whole bike in exploded view and the part number for every individual part. An indispensable item for any Triumph owner.