|Spark Plug||NGK DPR8EA-9 '97-03|
|Battery||YUASA YB14L-A2 '97-03|
|Final Drive||Chain: 530 `95-03|
|Front Tire||110/80-18 '97-03|
|Rear Tire||150/80-16 '97-03|
The Triumph twins enjoyed immense popularity in the U.S. their largest market, but customers wanted "more cubes". Triumph's answer was the 650 Thunderbird, a 40 cubic inch motorcycle. Similar in design to the 500's, the Thunderbird had more low and midrange power and was rugged enough to be "hot rodded" yet still reliable. This bike was immortalized when Marlon Brando, star of the movie "The Wild One" rode a T'Bird.
- 2019 Western Power Sports Catalog. Western Power Sports. 2019.