Here's some more.
Can't vouch for the validity of Triumph sightings in each movie in this list. Just a list i had saved from some time back.
(Excuse any duplicates that may have been posted.)
TRIUMPH MOTORCYCLES IN MOVIES
Alice's Restaurant 1969 Comedy
Blind Terror
(AKA See No Evil) 1971 Horror
Brittown 2008 Biker
Cerveau, Le
(AKA Brain, The) 1969 Action
Choppertown - The Sinners 2005 Biker
Enfants De Salaud
(AKA Bastard Brood) 1996 Comedy
Erotissimo 1968 Comedy
Freebird 2008 Biker
Garage Days 2002 Comedy
Gemini Man 1976 Sci-Fi
Genevieve 1953 Comedy
George Gently 2007 Action
Hills have Eyes 2, the 1985 Horror
In Name Of The Father 1993 Drama
Intelligence Men, The
(AKA Spylarks) 1965 Comedy
James Bond: Diamonds Are Forever
(AKA Diamonds Are Forever) 1971 Action
Kill Bill Vol I 2003 Action
Leather Boys, the 1963 Drama
Little Fauss and Big Halsy 1970 Drama
Lucky You 2007 Drama
Malaise
(AKA Room of Chains, The) 1972 Horror
Matter of Life and Death, a 1946 Fantasy
Mini Skirt Mob, the 1968 Action
Mischief 1985 Comedy
Mission: Impossible 2 2001 Action
Mission: Impossible 3 2006 Action
Night Of The Comet 1984 Comedy
Nightmare On Elm Street 4, A :The Dream Master 1988
Pray for the Wildcats 1974 Action
R.P.M. 1970 Drama
Salakuljettajan Laulu 1952 Action
Shampoo 1975 Comedy
Silencieux, Le
(AKA Escape to Nowhere) 1973 Action
Sweeper, The 1996 Action
Three Blind Mice
(AKA Une Souris Verte) 2003 Action
Tracassin Ou Les Plaisirs De La Ville, Le
(AKA Busybody, The) 1961 Comedy
World's Fastest Indian, the 2005 Drama