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BSA Taillight Question
#795289 01/10/20 5:55 am
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I thought this might be for a 1968 A65, but it is different from all the pictures I can find for that year. Do one of you experts know what it fits?

[Linked Image from tr6ray.zenfolio.com]

The main difference I see is that this light has a relief in the lamp support where it meets the mudguard, shaped like it maybe would butt up against the rear support rail. Pictures I have seen of lights installed on the '68 A65 bikes don't show such a relief, and the light support extends to a sharp edge to abut the fender. Have I maybe got a Triumph part, or maybe the wrong year, or both?

[Linked Image from tr6ray.zenfolio.com]

[Linked Image from tr6ray.zenfolio.com]

Thanks in advance for your help.

Ray


'64 TR6R Plus some Twins from other countries (U.S., Germany, Japan)
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Re: BSA Taillight Question
TR6Ray #795303 01/10/20 1:01 pm
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Looks like some of the unit single rear light units, the rear mudguard loop fits into the gap shown. The A65 has a longer top and fits over the rail. Still if nothing else that unit is good for robbing all the lenses and sheet metal off.


Now let’s all have a beer beerchug

68’ A65 Lightning “clubman”
71’ A65 823 Thunderbolt (undergoing restoration)
67’ D10 sportsman (undergoing restoration)
68’ D14 trials (undergoing transformation)

Re: BSA Taillight Question
TR6Ray #795321 01/10/20 5:53 pm
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Ray, it's probably 1968-70 Triumph, because of the shallow curve on the bottom of the steel plate, where it mounts to the fender.

The BSA plate has a deeper curve, because the BSA fenders had a "deeper" curve to them.

The aluminum part fits both Triumph, and some single-cylinder BSA bikes. The steel plate is the "adapter."

Re: BSA Taillight Question
TR6Ray #795324 01/10/20 6:10 pm
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Ray: For sure it is hard to identify those alloy mounts from over 50 years ago. I have trouble keeping them straight. However I recently matched one like that with the mounting holes on a 1969 B44 Victor Special that still has the original chrome fender. It seems to be identical to yours. I am trying to properly indent the 68 T100C alloy mount.

Gordo

click to enlarge

[Linked Image from i.postimg.cc]

[Linked Image from i.postimg.cc]


The roadside repairs make for the best post ride stories.
Re: BSA Taillight Question
TR6Ray #795344 01/11/20 12:38 am
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Thanks for the insights, guys. Too bad, since it is in pretty nice shape. Guess I'll keep looking, but I'm a little better informed now.


'64 TR6R Plus some Twins from other countries (U.S., Germany, Japan)
Re: BSA Taillight Question
TR6Ray #795351 01/11/20 1:36 am
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Ray , I likeLy have one, which did you want?? PM me.....


Down to 1 BSA, 2 Triumphs, 1 '56 Chevy
1 '65 XLCH, Hernia Gift, on the way to Japan!
Re: BSA Taillight Question
KC in S.B. #795359 01/11/20 3:30 am
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Originally Posted by KC in S.B.
Ray , I likely have one, which did you want?? PM me.....

Thanks, KC. I may as well answer your question right here, in case it will help somebody else new to BSA.

The part number for the lamp support (Item #51 - the big alloy part) is 82-8253.
The part number for the steel support plate (item #52) is 68-6835.

From the parts book:

[Linked Image from tr6ray.zenfolio.com]

A grab from somebody's picture on the internet shows how it should fit with the support rail:

[Linked Image from tr6ray.zenfolio.com]

So, this pretty well matches up with everybody's input posted above. I guess I got confused because the parts book doesn't show the support rail on the same page as the taillight. Also, I don't even have a rear guard to hang this thing on yet. I'm looking for one on the cheap, which can even have failing chrome. I realize it's sacrilege, but I'm planning to paint it.

Thanks to all who jumped in to explain.

KC, you probably still have my email address, so if you have one of these, go ahead and shoot me an email. Or, there should be room in my PM inbox. Thanks much.


'64 TR6R Plus some Twins from other countries (U.S., Germany, Japan)
Re: BSA Taillight Question
TR6Ray #795361 01/11/20 5:25 am
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Didn't we just go through this a week ago on another similar thread?

Re: BSA Taillight Question
TR6Ray #795363 01/11/20 6:29 am
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^^^ Do you have a link to that thread? I thought I searched pretty well here, but I must have missed it. I'd like to read it if you guys just did this.

Oops! You may be talking about fuel tanks and fenders. Yeah, that was me. I guess I could have run the taillight question in there.

Ray


'64 TR6R Plus some Twins from other countries (U.S., Germany, Japan)
Re: BSA Taillight Question
TR6Ray #795373 01/11/20 1:53 pm
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Ray, I have two of the castings but they are from A65 bikes so I don't know if they are correct for a B44.
There may be some difference where they fit over the fender support rail.

I DO have what may be a NOS steel adapter plate for a BSA if you need one.

Re: BSA Taillight Question
Irish Swede #795397 01/11/20 7:12 pm
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Originally Posted by Irish Swede
Ray, I have two of the castings but they are from A65 bikes so I don't know if they are correct for a B44.
There may be some difference where they fit over the fender support rail.

I DO have what may be a NOS steel adapter plate for a BSA if you need one.


I think I have confused the issue by mentioning a variety of bikes and lights. What I have right now is the one I showed in the pictures of my original post. It is the wrong taillight for my bike. I was mistaken when I acquired it.

What I am looking for is the light that would have been on an A65 Lightning in 1968. So, Irish Swede, one of your A65 castings, using the lamp and reflectors from the assembly I already have would probably get me there. Right now, though, KC in S.B. has already started going through the stash he is trying to thin down. If he doesn't come up with something, I'll give you a shout. Thanks!


'64 TR6R Plus some Twins from other countries (U.S., Germany, Japan)
Re: BSA Taillight Question
TR6Ray #795439 01/12/20 1:47 pm
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K.C. has also helped me. He is a good guy.
If he has it, he will come through, I am sure.

But another one is here, if you need it.

Re: BSA Taillight Question
TR6Ray #795451 01/12/20 4:48 pm
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All, to avoid confusion and aid identification, there are a couple of these rear lights (82-8253) available online with pics, Baxter cycle have several used ones see This Link and Obsolete Bike Spare have a NOS one, see This Link.

I believe the tail light initially mentioned is the B44/TR25 version which has the scallop for the mudguard, part no 83-0270, see example Here


1968 A65 Firebird
1967 B44 Shooting Star
1972 Norton Commando
Re: BSA Taillight Question
gunner #795465 01/12/20 6:17 pm
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Originally Posted by gunner
All, to avoid confusion and aid identification, there are a couple of these rear lights (82-8253) available online with pics, Baxter cycle have several used ones see This Link and Obsolete Bike Spare have a NOS one, see This Link.

I believe the tail light initially mentioned is the B44/TR25 version which has the scallop for the mudguard, part no 83-0270, see example Here

Yes, thanks gunner, I saw those before I bought the taillight assembly that I have. I had checked Mitch Klempf's site, Baxter's, and several others to see what a reasonable price was. You will note that on the 82-8253 links that you posted, that is the part number for the lamp support only. The prices for the two you posted are US $65 from Baxter's, US $150 from Klempf's and the B44/TR25 lamp support casting from Obsolete Parts is listed at US $134.50, although that one at Obsolete Parts is sold out and not available. (These prices do not include shipping.)

Since that was their price just for the support casting, I figured that the entire lamp assembly I bought on eBay for $89 plus shipping wasn't a bad price. Mine came with not just the casting, but the steel support plate, the lamp socket, the bulb, the lens, the two side reflectors, the wire harness, etc., so it seemed like a reasonable price. I just didn't realize at the time that there were several variations on the lamp support casting. As you stated, the pictures in your links show the correct casting.

There is actually another complete assembly for sale on eBay right now for US $75 plus $12.80 shipping that has the correct lamp support casting. It just looks a little beat up, but is probably workable. Meanwhile, KC from S.B. is looking in his stash to see what he has. I am happy to wait for him. This is a back burner project, acquiring bits here and there as they pop up.

To reiterate what gunner posted though, his links do show the casting differences well. I was at first confused by the one on the Klempf site. It looks like there are a couple of small indicator lamps built into the top of the casting. A closer look shows that the shiny part he is selling was reflecting his ceiling lights and his camera when he took the picture! laughing


'64 TR6R Plus some Twins from other countries (U.S., Germany, Japan)
Re: BSA Taillight Question
TR6Ray #795466 01/12/20 6:24 pm
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Gunner,

150 bucks is a lot for something that appears "used" on eBay every day. and are often found at cycle flea markets.
It isn't as if these ever "wear out," or break. They are not rare, as every USA-market Triumph 500 or 650 built from 1968 to 1970 had one.

I have cleaned up used ones. The aluminum is high quality, so they polish out beautifully.

Re: BSA Taillight Question
TR6Ray #795474 01/12/20 7:21 pm
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Quote
150 bucks is a lot for something that appears "used" on eBay every day. and are often found at cycle flea markets.


Completely agree, I wasn't suggesting anyone buys one of these examples, I was just trying to show the differences between the parts.

Lets hope KC comes up with something from his stash.


1968 A65 Firebird
1967 B44 Shooting Star
1972 Norton Commando
Re: BSA Taillight Question
TR6Ray #795529 01/13/20 4:04 pm
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He did, and will post the rest of the “left-overs” here if anyone is needing one.


Down to 1 BSA, 2 Triumphs, 1 '56 Chevy
1 '65 XLCH, Hernia Gift, on the way to Japan!
Re: BSA Taillight Question
KC in S.B. #795542 01/13/20 7:59 pm
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Originally Posted by gunner
. . . Lets hope KC comes up with something from his stash.
Originally Posted by KC in S.B.
He did, and will post the rest of the “left-overs” here if anyone is needing one.

Indeed he did. Thanks, KC for your generous help, and thanks to all of you who jumped in with your advice and offers of help. This is still a great forum after all these years!

Ray


'64 TR6R Plus some Twins from other countries (U.S., Germany, Japan)
Re: BSA Taillight Question
TR6Ray #796039 01/19/20 10:22 pm
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KC, would you have another 68-6835 plate for lamp support in reasonable shape?
Mine in corroded and needs welding where bolted to a fender.
Also what do you guys have as a crevice between lamp support and a fender?
My lamp fits nicely in the middle, but these crevices are quite pronounced at the ends, like it is too shallow for BSA fender.

Re: BSA Taillight Question
TR6Ray #796049 01/20/20 1:44 am
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Adam, Sorry, I don’t have any loose steel parts. I have the 1 BSA A65 ‘69 on dry frame T-Lite left. The “lot” that went quickly did have a steel included.
Didn’t see what bike you are working on ? Kinda sounds like trying to mount the Triumph bracket to a BSA. The fender profile is WAY different.


Down to 1 BSA, 2 Triumphs, 1 '56 Chevy
1 '65 XLCH, Hernia Gift, on the way to Japan!
Re: BSA Taillight Question
TR6Ray #796077 01/20/20 3:11 pm
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Could you make a picture of the rear end of your rear light?
And what price would you like to get for it?
Just send me a private message in the forum, please.
I work on a Bitsa A65 with main parts being 67 / 68, you can see mine rear fender with lamp on "BSA rear fender with brackets" thread.

Last edited by Adam M.; 01/20/20 3:12 pm.

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