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Wanted: Brass cylinder tag - bore size

Hi all,

Does anyone have an original small brass tags that fit on the cylinder nut and bolt that tells you the size of the bore?

I need a 40+

Thanks

Danny

email (option): dannyburt152@gmail.com

Re: Wanted: Brass cylinder tag - bore size

I think only postwar rebuilt bikes had the nice etched bore tags, wartime they were just stamped on a piece of brass plate, I have samples of both types, will see if I can post pics of them later today.

Lex

email (option): welbike@outlook.com

Re: Wanted: Brass cylinder tag - bore size

Here you go;









Hope this helps,

Lex

email (option): welbike@outlook.com

Re: Wanted: Brass cylinder tag - bore size

The third picture with the tag that has a 66-63 part number is the tag for a complete rebuilt M20 engine with magdynamo.....Ian

email (option): ian@wright52.plus.com

Re: Wanted: Brass cylinder tag - bore size

Yes, you are right Ian, and I used to have a wooden crate that the engines came in too, but only have a Matchless one now.

Think the 3rd. and 4th. pictures are of the same plate, just repurposed, but I don't know where the plates are now.

Cheers,

Lex

email (option): welbike@outlook.com

Re: Wanted: Brass cylinder tag - bore size

Lex, Ian

Thank you for this and your kind help, with pics! I will replicate one of the tags from the measurements on a previous post of Ian’s.

Lex, question if I may, what is the wording as the picture is abit blurry.

Thanks

Dan

email (option): dannyburt152@gmail.com

Re: Wanted: Brass cylinder tag - bore size

Second picture says BORE 1MM O/S That means oversize.

Cheers,

Lex

email (option): welbike@outlook.com

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