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parts-# 68-0588 quad ring source? #711246
10/11/17 9:21 pm
10/11/17 9:21 pm
Joined: Aug 2001
Posts: 247
Duesseldorf/Germany
Phil in Germany Offline OP
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Phil in Germany  Offline OP
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Duesseldorf/Germany
Hi there,

for quite a long time I am trying to purchase the correct square section o-rings for the A 65 oil manifold.

I had tried several dealers for Brit bike stuff here in Germany but never got the correct quad rings, only round section o-rings seem to be available.

Does any of you guys does know a source for the proper rings in Europe or anywhere else?

Any tip is highly appreciated.

Cheers!

Ph.


Best regards
Phil
Duesseldorf/Germany
'62 A 65 Star (disassembled)
'69 A 65 Lightning
'71 A 65 Firebird
'75 T 160
'84 Yamaha SR 500
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Re: parts-# 68-0588 quad ring source? [Re: Phil in Germany] #711251
10/11/17 11:02 pm
10/11/17 11:02 pm
Joined: Jan 2004
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DMadigan Online content
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Hi Phil, I get square O-rings from McMaster.com. I have some for the AN-06 oil manifold that I made bit I am not sure these are the same as stock. Give me the diameters.

Re: parts-# 68-0588 quad ring source? [Re: Phil in Germany] #711295
10/12/17 4:38 am
10/12/17 4:38 am
Joined: Feb 2014
Posts: 935
Lancaster, California
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I have the correct seal (X-Ring) I ship all over the world except North Korea



https://www.classicbritishspares.co...e-union-x-ring-1-68-0588-1962-72-a50-a65

Re: parts-# 68-0588 quad ring source? [Re: Phil in Germany] #711447
10/13/17 7:54 pm
10/13/17 7:54 pm
Joined: Aug 2001
Posts: 247
Duesseldorf/Germany
Phil in Germany Offline OP
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Phil in Germany  Offline OP
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Joined: Aug 2001
Posts: 247
Duesseldorf/Germany
Thanks for your help. I have now placed an order at CBS.

Best regards

Ph.


Best regards
Phil
Duesseldorf/Germany
'62 A 65 Star (disassembled)
'69 A 65 Lightning
'71 A 65 Firebird
'75 T 160
'84 Yamaha SR 500
Re: parts-# 68-0588 quad ring source? [Re: Phil in Germany] #711510
10/14/17 12:07 pm
10/14/17 12:07 pm
Joined: Apr 2007
Posts: 754
Brisbane, Australia
BrizzoBrit Offline

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BrizzoBrit  Offline

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Brisbane, Australia
For anyone looking to buy these at the local supply house these are 010Q quad rings - 1/4" x 3/8" x 1/16" (approximately 6 x 9.6 x 1.8 mm)

Ray


BSA 1969 A65F
BSA 1966 A65H
Triumph 1968 T120
Kawasaki A1R
& too many projects!
Re: parts-# 68-0588 quad ring source? [Re: Phil in Germany] #711589
10/14/17 10:38 pm
10/14/17 10:38 pm
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DMadigan Online content
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I think you want square rings, not quad. The holes are elliptical from drilling at an angle. A quad ring might not contact the surface all around.

Re: parts-# 68-0588 quad ring source? [Re: Phil in Germany] #711891
10/18/17 11:56 am
10/18/17 11:56 am
Joined: Apr 2007
Posts: 754
Brisbane, Australia
BrizzoBrit Offline

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I'd love to know where to get the square rings. I thought I had those fitted when I first put my A65F together. I had bought those from British Only around 2005. They now supply o-rings for that part # last time I tried. I thought I'd used little flat rubber washers with about 3 annular rings on them, but when dismantled I was surprised to see quad rings.

Maybe I swapped something along the way. In my experience the quad rings work better than o-rings.

Cheers
Ray


BSA 1969 A65F
BSA 1966 A65H
Triumph 1968 T120
Kawasaki A1R
& too many projects!
Re: parts-# 68-0588 quad ring source? [Re: Phil in Germany] #712104
10/21/17 7:59 am
10/21/17 7:59 am
Joined: Aug 2001
Posts: 247
Duesseldorf/Germany
Phil in Germany Offline OP
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Phil in Germany  Offline OP
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Duesseldorf/Germany
The rings have arrived, they come close to the figures Ray listed dimension-wise.

The original ones I dis-assembled some years ago were square section if my memory serves me right. Nevertheless I'll find out how they work as I am more interested in functionality than to the original looks.

@David: from what I see at the manifold I'd say there is no such thing as an angled housing for the rings. It looks flat and square.

Cheers!

Ph.


Best regards
Phil
Duesseldorf/Germany
'62 A 65 Star (disassembled)
'69 A 65 Lightning
'71 A 65 Firebird
'75 T 160
'84 Yamaha SR 500
Re: parts-# 68-0588 quad ring source? [Re: Phil in Germany] #712116
10/21/17 1:03 pm
10/21/17 1:03 pm
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DMadigan Online content
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DMadigan  Online Content
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Hi Phil, I did not mean the recesses for the rings in the manifold were angled, I meant the drillings in the case from the manifold to the pump are angle drilled which makes their exit elliptical. That is why I suggested square rings rather than quad rings.
The manifold mounting surface is slightly angled relative to the cylinder base viewed from the rear. I am not sure it this was to make the pipes clear the outer timing case or just make manufacturing more difficult.

Re: parts-# 68-0588 quad ring source? [Re: DMadigan] #712155
10/21/17 8:55 pm
10/21/17 8:55 pm
Joined: Aug 2001
Posts: 247
Duesseldorf/Germany
Phil in Germany Offline OP
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Phil in Germany  Offline OP
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Duesseldorf/Germany
Originally Posted by DMadigan
....The manifold mounting surface is slightly angled relative to the cylinder base viewed from the rear. I am not sure it this was to make the pipes clear the outer timing case or just make manufacturing more difficult.

Hi David,

I guess the latter... eek

Sorry I got your statement regarding the angles wrong. From my point of view those x-ring could be fine as well, although they are a tad larger regarding OD.
I remember the original square section rings to have a better fit in the manifold's recesses, but as they are seem to be no longer available, I cannot verify this.

Another question regarding the manifold itself. Together with a mate I am currently rebuilding a 70 Lightning basket case. The oil manifold is missing in all the boxes. My parts stock only has to offer a pre-69 manifold with both pipes being 5/16". As far as I can see the location of the quad ring recesses are the same. From 69 on the rocker feed had a separate outlet at the manifold and a 3/8" feed pipe. As the Lightning in question anyhow will end up with a proper oil filter in the return line I would have blanked the rocker feed off and teed the rocker feed after the filter.

Is this viable or I am missing something and have to look for the proper 68-0942 oil manifold.

Best regards

Ph.


Best regards
Phil
Duesseldorf/Germany
'62 A 65 Star (disassembled)
'69 A 65 Lightning
'71 A 65 Firebird
'75 T 160
'84 Yamaha SR 500
Re: parts-# 68-0588 quad ring source? [Re: Phil in Germany] #712834
10/26/17 8:47 pm
10/26/17 8:47 pm
Joined: Aug 2012
Posts: 305
Hampshire, England
DoubleDiamond Offline
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DoubleDiamond  Offline
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Posts: 305
Hampshire, England
There is also another option on eBay if you search for 68-0588. Square in section and made from silicone rubber. Cheaper than the X-ring too.


BSA: '71 B175; '68 B25; '71 A65; '71 A75
Triumph: '87 T140; '72 T150v
Re: parts-# 68-0588 quad ring source? [Re: Phil in Germany] #712878
10/27/17 5:30 am
10/27/17 5:30 am
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DMadigan Online content
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The compatibility chart that I have lists silicone as unsatisfactory with motor oil. However, recommended for Castor oil or Mustard gas.

Re: parts-# 68-0588 quad ring source? [Re: DMadigan] #712983
10/28/17 11:54 am
10/28/17 11:54 am
Joined: Aug 2012
Posts: 305
Hampshire, England
DoubleDiamond Offline
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DoubleDiamond  Offline
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Hampshire, England
Dave, a fair comment. However, the chemical effect rating on silicone is, to quote: "Minor to moderate – rubber parts still useful in many applications". Its the same rubber that most people use for sealing their pushrod tubes on Triumph Twins and Triples. Neither of these applications have the seal under any real pressure and they are also working well within the temperature rating of the material.

Maybe its also reassuring for some that should there be any mustard gas in the engine (not recommended!), the material will hold that in too!!


BSA: '71 B175; '68 B25; '71 A65; '71 A75
Triumph: '87 T140; '72 T150v
Re: parts-# 68-0588 quad ring source? [Re: Phil in Germany] #713001
10/28/17 4:00 pm
10/28/17 4:00 pm
Joined: Feb 2014
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Lancaster, California
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I'm sure using quad rings will be fine. Don't get to scientific on it


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