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#711246 - 10/11/17 9:21 pm parts-# 68-0588 quad ring source?  
Joined: Aug 2001
Posts: 244
Phil in Germany Offline
BritBike Forum member
Phil in Germany  Offline
BritBike Forum member

Joined: Aug 2001
Posts: 244
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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#711251 - 10/11/17 11:02 pm Re: parts-# 68-0588 quad ring source? [Re: Phil in Germany]  
Joined: Jan 2004
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DMadigan Offline
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DMadigan  Offline
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Posts: 3,474
ca, us
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.

#711295 - 10/12/17 4:38 am Re: parts-# 68-0588 quad ring source? [Re: Phil in Germany]  
Joined: Feb 2014
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C.B.S Offline
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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

#711447 - 10/13/17 7:54 pm Re: parts-# 68-0588 quad ring source? [Re: Phil in Germany]  
Joined: Aug 2001
Posts: 244
Phil in Germany Offline
BritBike Forum member
Phil in Germany  Offline
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Joined: Aug 2001
Posts: 244
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
#711510 - 10/14/17 12:07 pm Re: parts-# 68-0588 quad ring source? [Re: Phil in Germany]  
Joined: Apr 2007
Posts: 718
BrizzoBrit Online content
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BrizzoBrit  Online Content

Life member

Joined: Apr 2007
Posts: 718
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!
#711589 - 10/14/17 10:38 pm Re: parts-# 68-0588 quad ring source? [Re: Phil in Germany]  
Joined: Jan 2004
Posts: 3,474
DMadigan Offline
BritBike Forum member
DMadigan  Offline
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Joined: Jan 2004
Posts: 3,474
ca, us
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.

#711891 - 10/18/17 11:56 am Re: parts-# 68-0588 quad ring source? [Re: Phil in Germany]  
Joined: Apr 2007
Posts: 718
BrizzoBrit Online content
Life member
BrizzoBrit  Online Content

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Posts: 718
Brisbane, Australia
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!
#712104 - 10/21/17 7:59 am Re: parts-# 68-0588 quad ring source? [Re: Phil in Germany]  
Joined: Aug 2001
Posts: 244
Phil in Germany Offline
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Phil in Germany  Offline
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Posts: 244
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
#712116 - 10/21/17 1:03 pm Re: parts-# 68-0588 quad ring source? [Re: Phil in Germany]  
Joined: Jan 2004
Posts: 3,474
DMadigan Offline
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DMadigan  Offline
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Joined: Jan 2004
Posts: 3,474
ca, us
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.

#712155 - 10/21/17 8:55 pm Re: parts-# 68-0588 quad ring source? [Re: DMadigan]  
Joined: Aug 2001
Posts: 244
Phil in Germany Offline
BritBike Forum member
Phil in Germany  Offline
BritBike Forum member

Joined: Aug 2001
Posts: 244
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
#712157 - 10/21/17 9:44 pm Re: parts-# 68-0588 quad ring source? [Re: Phil in Germany]  
Joined: Jan 2014
Posts: 3,247
NickL Online content
BritBike Forum member
NickL  Online Content
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Joined: Jan 2014
Posts: 3,247
Aus
The old manifold is fine, i used both types when racing at various times.

The recess for the o-rings on all the manifolds i have seen is cut with a rounded tool, normal o-rings have always worked for me.




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