a motorcycle formerly produced in
England by the Triumph Motorcycle
company. The
model took its name from the Tourist Trophy Race, a motorcycle race which has been held annually on the Isle of
Man since 1907. The number 650 indicates the size of the engine.
a racing motorcycle that was produced by Triumph Motors in
England. TT was an abbreviation for Tourist Trophy (the name of the
model). 650 indicates the size of the engine (650
cc).