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License plate holder ID #789301 11/06/19 12:29 am
Joined: Sep 2001
Posts: 3,032
Gordo in Comox Online Content OP
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Can anyone tell me which models of Pre-unit BSAs had the tail lamp indented into the plate holder as below? Plain version shown for comparison.

Thanks
Gordo

Click to enlarge
Indented
[Linked Image from i.postimg.cc]

Plain
[Linked Image from i.postimg.cc]


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Re: License plate holder ID [Re: Gordo in Comox] #789338 11/06/19 4:30 pm
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Allan Gill Online Happy
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I would say the indented one as all the ones I have seen have been like that.

The plain one I would say is a poor quality aftermarket????

Certainly seen them on A10's


beerchug
Re: License plate holder ID [Re: Gordo in Comox] #789339 11/06/19 4:55 pm
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I
Irish Swede Online Content
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The plain ones were earlier ones. They are legitimate BSA parts.

Some indented ones were used on late A10s and carried over to A65s.

I do not know the year the change was made. If you have any of the books on BSA bikes, check the photos.

Re: License plate holder ID [Re: Gordo in Comox] #789343 11/06/19 5:11 pm
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slow learner Online Content
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I think it is more a matter of year of manufacture rather than model application. My '55 A10 has the flat version with a bottom protrusion to accommodate a reflector. I have seen this same basic shape with the pressed in recess for the tail light which I believe came later. My '61 GS has the recess but no protrusion for a reflector. I've seen pictures of other, "billboard" designs used on off road models. These more closely resembled the what I think of as the Triumph design with no side enclosures on the part that connects to the guard.


Laurence Luce
Re: License plate holder ID [Re: Gordo in Comox] #789348 11/06/19 5:37 pm
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Gordo in Comox Online Content OP
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Thanks for the info. However when I look at the back of the two the detail is identical right down to the shape and finish of the welded in bits and threaded parts. If an aftermarket copy is is very good.

[Linked Image from i.postimg.cc]

[Linked Image from i.postimg.cc]

[Linked Image from i.postimg.cc]

I also have two of the earlier non enclosed type and they do not have the indent feature. From what I can find the GS went to the enclosed in 54 and the A10 in 53. I always assume refs are for model year but who can really say. Were any of the earlier open types indented for the light? Was it the adoption of the rectangle shaped light that lead to the indent? The indent keeps the top of the light inline with the top of the mounting. Any info would be appreciated.

Gordo

PS thanks Irish Swede and Slowlearner for comments while I was posting.

Last edited by Gordo in Comox; 11/06/19 5:42 pm.

The roadside repairs make for the best post ride stories.

Moderated by  Allan Gill, Jon W. Whitley 

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