Is this a home made job or a BSA prototype?

[Greybeard]

https://goo.gl/27C3fV

[muskrat]

Have to be a home blown job. Not even BSA would be that silly.
Cheers

[BritTwit]

Sorry I could not see the bike, as it would violate my vow to be the last man standing with no face Book account.

[Greybeard]

Sorry I could not see the bike, as it would violate my vow to be the last man standing with no face Book account.

Soz! I'll upload the image.

[Topdad]

Have to be a home blown job. Not even BSA would be that silly.
Cheers ( Musky )
Errm, in best panto voice ... "oh yes they could , enter stage left an ariel 3 (,being pushed )   

[chaterlea25]

Hi All,
There seems to be a copy of a newspaper/ magazine article framed standing behind the bike!
Cantilever rear suspension????

John

[Greybeard]

Hi All,
There seems to be a copy of a newspaper/ magazine article framed standing behind the bike!
Cantilever rear suspension????

John

Oh yes, I hadn't seen that. Here is a zoomed clip:

A scrambler's memorial: John's special unveiled.

So, it would appear to be a homebrew.

[nimrod650]

first appeared in 1962 with a john wilkinson first monoshock gold star

[Greybeard]

I found this:
http://www.classicjapcycles.com/technical/the-mono-shock/the-mono-shock-p-2