You're going to have to pull your cam cover and check:
Intake 15mm to 20mm
Exhaust 25 to 30mm.
I suggest getting a Haynes manual or a triumph tech manual for details. I just did a port and polish and adjusted the valves to 17mm and 27mm respective to intake and exhaust. I'm good for another 12,000mi just in time for riding season.
You forgot the decimal points. .15mm-.20mm for the intake, .25mm-.30mm for the exhaust.
+1 on the Haynes manual.
--mark
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