A picture of my brain is shown below for your reference and amusement.
Now I have the timing measured with some accuracy and the temptation to chisel off the standard marks has gone, the bike is back to her wonderful self complete with time-warp effect from the lights. Now you see me, now you don't. No pinking or signs of hard running on 97 RON and the recommended Silent Hektik touring settings.

[sorry for lots of posts, if I upset anyone, please ask a mod to move this stuff to another thread!]