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Re: BSA M20 frame/serial number

The engine number WM20-50102 fits the C/9310 contract plate.

Jan

email (option): wd.register@gmail.com

Re: BSA M20 frame/serial number

Part number 66-4037 is listed in the mid and later war contract spare parts lists including C9310.

66-4037 Frame complete, comprising frame front, chainstays and backstays, and engine plates with bolts and nuts.

Can you confirm there is no sign of a number on the usual place on the front down tube, possibly some flattening where a number could have been removed?

The fact that there are several listed in the post war key cards with this as its chassis number may mean that sometimes when a new frame was fitted it wasn't re stamped, the number on the engine and the serial on the tank being enough to identify the machine?

Rob

email (option): robmiller11(a)yahoo.co.uk

Re: BSA M20 frame/serial number

Rob, I have one of those spare frames NOS and it is stamped with the part number 66-4037 in the same location.
The front down tube is bare of course.

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email (option): rays54@hotmail.com

Re: BSA M20 frame/serial number

Nice one Ray, I see the machine in the earlier post has the braised on lug for the short prop stand on the rear frame section, does yours?

Rob

email (option): robmiller11(a)yahoo.co.uk

Re: BSA M20 frame/serial number

Rob, yes - sidestand lug and rear footpeg lugs. It does not have any of the studs fitted for oil tank/battery bracket, rear guard stays or steering damper.

email (option): rays54@hotmail.com

Re: BSA M20 frame/serial number

Hi Jan,
can you tell from the number on the plate what year the motorbike was built, or what period it was used?
Which British army corps does the plaque refer to? As mentioned above, the motorbike was purchased at the ARAR camp in Florence, I imagine as soon as the war ended. Knowing the period is important to me for the purchase of spare parts.
For example, which licence plate holder should I buy? In the various specialized sites I have seen several different types.

Thank you for your support.

Cosimo

email (option): cosimomelani@hotmail.com

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