Blimey, I've been riding nearly twenty five years and I didn't know this, thank you.
I don't know ACU either. From your post I deduce that this is a body I can take this lid to and have it checked out for a pass or fail. Is that correct? If so where are they, or their agents, please? (I'm in London)
Thanks again, very useful info here, I may not be so mouse-happy in future.
Ravi
