Posted by Mark B on April 10, 2018, 1:10 pm, in reply to "Re: Bum!"
Having read your authoritative article in this month's RC, I believe you Mart.
(You also solved another B31 mystery: mine too seems to have the rear wheel offset to the right, but a check with a straight edge confirmed that the mudguard is offset).
I'll have a V please, Bob.
Thank you for your support...