Thanks for that. I had found the page and just cut and pasted the address. It should have worked, but obviously did not.
There is a video somewhere on Youtube which shows Ago riding on the Nurburgring. If you listen to his motor as he enters and leaves corners he uses engine trailing and braking as he enters the corners, as a soon as he is about one-third of the way into the corners, he is straight back onto the gas. Doing that is not intuitive, and the first time a normal rider does it, it feels wrong - but it works. I have read Tony Foale's book on handling and it seems there are two extremes associated with trail - both end up with self-steering. Too little trail and the bike probably self-steers the wrong way and runs wide in corners.
Nigel has been talking about using a featherbed frame for his 920 motor. I think he could do a lot better than that. And it is not just because I happen to own a Seeley. Before I bought it, The Seeley had a 750cc Laverda motor in it. I was riding my Triton 500, my mate was riding the Seeley. Normally with his own Triton, he could never out-corner me. I over-braked in front of him and he rode around me in the corner, popped in front of me and grabbed a handful of discs. I crashed. That is the reason I tracked the Seeley down and bought it. No featherbed ever handles as good as that. And that was with the wrong fork yokes.
I paid for the complete bike, but I could not get the Laverda motor - so it became a Commando 850.