Yea, I'd get the carbs sorted and bike running sweet then worry about valves. It is unlikely that is the main problem imho from what you've described is most likely fuelling set up or less likely an electrical ignition issue.
__________________
Roast Beef Monster!
Termignoni and Bucci - Italian for pipe and slippers!
S4 Fogarty, S4R 07T, 748, Series 1 Mirage
|