Check your bike's spec with the Jetting Calculator.
http://www.dinqua.com/Triumph/Executables/PatsJettingCalculator.exe
It looks like you need 131 mains at over 4000' elevation,
up to 133's at sea level.
Maybe that hidden fuel filter between the carbs?
The stock fuel tap flows plenty, but it can wear and
leak, and the Pingel is prettier.

Steelheart- '03 Speedmaster Black/Yellow The Hayabusa Killa 16" Shorties/140 mains/Airbox drilled Procom CDI "There is no cure for Celibacy. But we can treat the symptoms."