I hope I am not too late to help?! I have a PGM box which needs proving regarding power to the coils, but when I did briefly get my 21 started I know the power valves were moving!!!
I get up that way fairly regularly (to see mates in Surbiton), so let me know if I can still be of assistance?
Yours
THE Mad Dog
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'98 R1 and '90 MC 21 (not working still Doh!)