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Re: Mysterious Frame

Klaus, looking at the drawing and noticing more variants than I thought, I am not so sure anymore that in your frame the connection needs to be straight instead of curved like it is.. :relieved: :innocent:

Re: Mysterious Frame

Michiel, 1939 M22 you posted was just repainted and restamped KJM22 that was left over from 1938 model row. Later they produced small number of real KM22's with new 1939 engine and frame design. I have seen at least one KM22 stamped engine.

Re: Mysterious Frame

This forum is really great with lots of knowledge and information. I think we can assume that this type of frame was built until 1938. Except for the M24 which had no sidecar connections and frames made of Reynolds tubing.
It's amazing what details come to light.

cheers Klaus

email (option): ajay2@gmx.de

Re: Mysterious Frame

Thanks for all the info in this thread. I have front frame HM2398 on the bike I am building up with the later rear end.
Now I have to find a new rear end. The hunt goes on. Not too many early model M20s here that I have seen.

email (option): Lioneljrudd@gmail.com

Re: Mysterious Frame

Klaus
This forum is really great with lots of knowledge and information. I think we can assume that this type of frame was built until 1938. Except for the M24 which had no sidecar connections and frames made of Reynolds tubing.
It's amazing what details come to light.

cheers Klaus
Klaus,

This type of frame was even used in 1939. See below photos of a Dutch Army KM21, which was delivered early in 1939. The rear frame is original, it still has the original Dutch Army paint on it (same as for the front part of the frame).

IMG-0487

IMG-0501

IMG-0537

Regards,
Bastiaan

email (option): wdmotorcycles@gmail.com

Re: Mysterious Frame

Hi Bastiaan
How is the front end of the rear frame designed to take 39 wider engine? Is it a hybrid from the both types?

Kalle

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