You also need to use the right cork out of one peace not the glued particles ones, they can be bought from a hobo- clarinet repairshop or the big internet Chinees, they about 3 ponds a leaf for one bigg cap and a few smaller.

As ower new home was ones a Rope splicing shop i would like a board with splicing examples (don't know the English name for it).

Any offer is considered as long as it dus not involve motorcycle parts or other space taking objects.
See what's there; viewtopic.php?t=2747&hilit=1905

It would be nice if it's moving in March and do something with it.

Nothing wrong with the frame or the number.

and if you cut the plungers they become open tubes, they are hollow.

Antique is 100 years +.

The same bike but a 500cc this time, https://www.ebay.co.uk/itm/335091291115?hash=item4e04ff53eb:g:rl4AAOSwpmJlO8y4&amdata=enc%3AAQAIAAAAwJZsUhTYFJSa6G%2FghGOVTkG%2F0PekiCazfg70zs4SQucDxLjOd053iCksJTM6BRetpttSMHiFdDLGJ72S17vT%2FU6bs8UAwBIk4qQ3BrYDarPqZEAvfvUllcAvPPqzNZDGLfi2%2Fzq%2B0xJfa7RrWsAhd...

I think it's a 1949 NH so 350cc, like Nev i see alloy rims.
1950 or later has a differend frontforkscrown.

I know where to find a MB crankcase but not before March 2024.

I found a N.O.S deck for a 1954-59 single some years ago, Ben Hopman has it now.