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#784432 25/08/23 02:01 PM
Joined: Aug 2014
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Talk Morgan Expert
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Talk Morgan Expert
Joined: Aug 2014
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Does anyone happen to know the dimensions of the O-ring on the fuel filler cap (4/4 model year 2005)?
I would like to replace/ order the O-ring and the Morgan is a bit far away from me.


2005 4/4 1800ccm Duratec and a lot of HONDA CX500.......
Joined: Jul 2022
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C
Just Getting Started
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C
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bmgermany take a look at this thread. Not sure what sort of filler cap you have. Mine is a 2006 4/4 and I bought the ring size as shown and it’s been fine

https://www.talkmorgan.com/ubbthreads.php/galleries/581614/3

I ended up buying a 2 pack of these - not expensive

BS232.NBR_PK2

BS232 3.53mm Section 69.44mm Bore NITRILE 70 Rubber O-Rings - Pack Size: Pack of 2 £4.14


4/4 70th Anniversary
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Talk Morgan Expert
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Talk Morgan Expert
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C2RM

Thank you for your help which I appreciate very much!

I have exactly the same fuel cap.

I have tried but for me as a non-native English speaker it is hard to use the right keywords for the search function - and then read many posts to find out if the info I am looking for is included.

Once again, thank you for the exact this measurements I was looking for!


2005 4/4 1800ccm Duratec and a lot of HONDA CX500.......
Joined: Jul 2022
Posts: 61
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Just Getting Started
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bmgermany - I understand your difficulty. I’m a non native Morgan speaker😉. The whole thing is a mystery to me🤣


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I think Viton might be a better choice of material for O rings in contact with fuel
Originally Posted by C2RM
bmgermany take a look at this thread. Not sure what sort of filler cap you have. Mine is a 2006 4/4 and I bought the ring size as shown and it’s been fine

https://www.talkmorgan.com/ubbthreads.php/galleries/581614/3

I ended up buying a 2 pack of these - not expensive

BS232.NBR_PK2

BS232 3.53mm Section 69.44mm Bore NITRILE 70 Rubber O-Rings - Pack Size: Pack of 2 £4.14

I think a Viton O ring would be a better choice than nitrile, with it being in contact with fuel


Owen
"bilibib"
1982 4/4 Twin Cam, Royal Ivory
1932 Super Sports, Duo tone(two tone)Green
1 member likes this: bmgermany
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Talk Morgan Expert
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Talk Morgan Expert
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Owen you are right.

I have chosen an FKM / FPM o-ring. Viton seems to be a trade name for this material.

Last edited by bmgermany; 26/08/23 06:37 AM.

2005 4/4 1800ccm Duratec and a lot of HONDA CX500.......

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