The bike was produced by Montesa, the Spanish? trials bike manufacturer.
The "M" was the same as the motorbike, and they were sold thru the motorbike dealers.
I had a Montesa Cota 249 when I was 14. I bought it when I sold my Gen 1, which I never got a pic of, which I aquired by "swapping" the F+F for my GT way back when.
Our local dealer was a company John Burdons ( he was a VILLA moto X factory rider)
They are now a well established machine company, which stemmed from him making his own sprockets BITD.
He even did a rebore (60cc) on my RD50 BITD
Memories.
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