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[Linked Image]

The tank is what I believe to be one of the "small" sculpted metal tanks like used on the 1969 BSA B25.

[Linked Image]

The filler cap is something I'm not familiar with. Was it used on a BSA model with that type of tank or did it replace the stock filler somewhere along the road?

Tanks in advance

Last edited by Gordon Gray; 11/18/22 10:17 pm.

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Interesting Gordon! Waiting for enlightenment………….. 🤓


Down to ‘69 T120R now a Tr6R tribute bike
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‘67 A65LA (now single carb)
‘93 K1100RS heavy metal (should be gone, still here…)
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Originally Posted by KC in S.B.
Interesting Gordon! Waiting for enlightenment………….. 🤓


There's a rumor Gary E has a tank with that cap.......but to be honest I thought this would be an easy one. I thought for sure by now someone would chime in with.......... "yea that's off a 19** XXXX".

Turning into more of a mystery that I expected.

The paint job is a re-spray.......can't really tell by the bottom what the scheme was but the older paint was red......which means nothing

Last edited by Gordon Gray; 11/19/22 2:10 pm.

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This is where (for me) it gets cloudy. The tank with the mystery filler cap is the same dimensions as a tank I have that I believe is off a 1969 B25. I have no clue what the tank with the mystery cap came off of. It "could" be off a '69 B25 and someone changed out the filler cap.......that's what I'm trying to figure out. Not that's it important.....just would like to know.

Because........this is what all my other caps for those tanks (and the fiberglass) looks like.....and I "think" it's the one in the parts list shown above???? That's just as much of a question as an opinion.

[Linked Image]

I'm just hoping the cap identifies the model of the bike the tank came off of. I'm a bit of a tank junkie and have several examples here for unit singles.....some of them are hard to find. So I can't help myself......I gota find out if I can.

The "Metal Sculpted Tank Mystery" we'll save for another day.

Last edited by Gordon Gray; 11/19/22 4:44 pm.

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There are versions of that (Ceandess) flip cap.
https://ceandess.com/products/presto-75/

However, I don't know if the "teardrop" lever type is the actual original to that tank or not.
https://ceandess.com/product/presto75-flip-top-filler-cap-tear-drop-lever-02517000cab/

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Originally Posted by L.A.B.
There are versions of that (Ceandess) flip cap.
https://ceandess.com/products/presto-75/

However, I don't know if the "teardrop" lever type is the actual original to that tank or not.
https://ceandess.com/product/presto75-flip-top-filler-cap-tear-drop-lever-02517000cab/

THANKS for that information L.A.B. I didn't know about Ceandess and you're spot on about the "Tear Drop Lever". They state they don't know what model went to what since they only sold to bike manufactures back in the day.

At least now I know where it came from and what's it's called.

Presto 75, Flip Top Filler Cap w/ Tear Drop Lever. Made by Ceandess in the UK

GREAT information......thanks again for going to the trouble.

Last edited by Gordon Gray; 11/19/22 4:40 pm.

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It’s-A great site this place!


Down to ‘69 T120R now a Tr6R tribute bike
‘70 TR6C “happy in the hills”
‘67 A65LA (now single carb)
‘93 K1100RS heavy metal (should be gone, still here…)
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Bumping this one up.......still trying to ID what bike this tank/cap came off of. Thanks to L.A.B. I now know what they filler cap is.

Did a BSA model use this tank/cap combo?

It's the "small" sculpted metal tank like the one used on the 1969 BSA B25.......but has a tear drop lever, flip top cap.

Anyone want to venture a guess?

Last edited by Gordon Gray; 11/20/22 6:51 pm.

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You used to be able to buy them in accessory shops and they fitted over the existing filler neck afaik?
Maybe with internal grub screws that pinned the base in place.

So it could be standard or a period owner mod.

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The C25 would have had a fiberglass tank. I’ve got a dozen or so of them in the shop and all of mine have the rectangular latch.

Guess this was just an add on????

I heard through the grapevine that Gary E had/has a tank with that teardrop latch. He’s the kind of builder that likes the history so maybe he has an opinion??????

Last edited by Gordon Gray; 11/21/22 1:14 pm.

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Never seen one like that however a few things come to mind
1) BSA ran out of caps so got substitute ones to fill the remainder of an export order .
Local delivery could just be put back till the new ones arrived but exports had to on the ship as BSA prebooked ( and probably prepaid ) their freight in order to get a substantially better rate.
2) Cap was found to be faulty at dealershipp & original replacement was not available at the time
3) owner replaced it at some point in time for whatever reason pleased him


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BSA 1969 A65F
BSA 1966 A65H
Triumph 1968 T120
Kawasaki A1R
& too many projects!
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Originally Posted by BrizzoBrit

That was an interesting read…….thank you


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Originally Posted by BSA_WM20
Never seen one like that however a few things come to mind
1) BSA ran out of caps so got substitute ones to fill the remainder of an export order .
Local delivery could just be put back till the new ones arrived but exports had to on the ship as BSA prebooked ( and probably prepaid ) their freight in order to get a substantially better rate.
2) Cap was found to be faulty at dealershipp & original replacement was not available at the time
3) owner replaced it at some point in time for whatever reason pleased him

So for now I’m going with any of these three reasons Trevor came up with.


Gordon Gray in NC, USA........White man broke the code


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