Triumph Riddles: 1963-1967 Triumph T120 TT Specials

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by Doug Mitchel
Bill Sherman’s collection of Triumph TT Specials showcases every year of TT Special production, starting with the first in 1963 (far right) through the last in 1967 (far left), and every variant in between.

1963-1967 Triumph T120 TT Specials
Engine:
650cc OHV parallel twin, 71mm x 82mm bore and stroke. Compression ratio 12:1 (1963)/11:2 (1964/some say 11:1)/11:1 (1965-1967), 52hp @ 6,500rpm
Top speed:
120mph (period test)
Carbs:
Twin 389/95 1-3/16in Amal Monobloc (1963-early 1967)/Twin Amal Concentric (late 1967)
Transmission:
4-speed, chain final drive

  • Published on Apr 11, 2017
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