Oh dear- what a fate!
Of more general interest to your readers:-
My 1968 tour of Norway started in Aberystwyth, used the Harwich - Kristiansand ferry route (long since extinct, like ALL direct ferry routes from Blighty to that beautiful country), and took in Arendal, Setesdal, Haukelifjell, Odda, Bergen, Hardangerfjord (Rosendal), Haugesund, Stavanger, Flekkefjord and back to Arendal before returning the same way to West Wales. A total distance of around 1350 miles.
I was 18 and did the run alone.
The weather was good after an initial dousing in a rainstorm in the Welsh mountains after leaving home in Aber at about 10pm. I was in Harwich by about 6am the next morning.
The B31 ran without a hitch, used no oil, and never took more than two kicks to start up.
It was well laden with all my camping gear and luggage.
It putted along cruising at about 50-60mph.
At that time it was returning about 80-90mpg on 2 star petrol.
Does anyone do runs like that anymore on older bikes, or are all long distance motorcyclists riding Pan Europeans, BMWs etc.? They don't know they're born!
However, I will admit that nowadays, modern traffic speed and density and the size and ubiquity of large goods vehicles, if I were to repeat the run, I'd prefer to be doing it on something more powerful that a B31! Perhaps still a bike of the period, but an A10 or A65 !