1971 SS frame: strange numbers stamped on

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pierodn

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1971 SS frame: strange numbers stamped on

First time i have found these numbers stamped here on a frame; left side rear the Z plate.
What they mean?
Thanks.
Piero
 
pierodn said:
First time i have found these numbers stamped here on a frame; left side rear the Z plate.
What they mean?
Click to expand...

It's a month/year date stamp. The "R" presumably stands for Reynolds.

Frame Number Riddle

Hi there all! My 750 frame confuses me. Stamped on the headstock is B131541. Nothing I have read mentions a B in the frame number. The number relates to 1969 models. My local Norton Workshop had one look at it and said 1972. On the gussetting is a stamp R2 72, is this relevant? The motor and...
www.accessnorton.com www.accessnorton.com
 
Hi Les,
thank you.
I mean, but is the only time i have seen this.
Ciao
Piero
 
Paddy_SP said:
I have several frames here with markings in the same place.
Click to expand...

+1, although not on frames made prior to '71. '72 onwards have month/year, my '71 also has an 'R' prefix but no month.
 
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