The New And Improved Unofficial R65 Forum V2
Technical Discussion => BMW Technical Q&A, Primarily R65 => Topic started by: RickyM on October 20, 2019, 09:45:36 AM
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Afternoon all,
The seal on the inside of my fuel cap (1980 R65) has largely corroded (see first photo) so I want to replace it.
Am I right in assuming the circled part in the second photo is the right part? If not, any pointers where I can get a replacement? Also any advice on brake (ATEs) fluid, is any Dot4 ok?
Many thanks,
Ricky
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Afternoon all,
The seal on the inside of my fuel cap (1980 R65) has largely corroded (see first photo) so I want to replace it.
Am I right in assuming the circled part Also any advice on brake (ATEs) fluid, is any Dot4 ok?
Many thanks,
Ricky
I never knew that seal was there had to go take my cap off to see it. ( yes, I'm not detailed oriented). Sure looks like the circled seal is the one you want. Dot 4..... I use any fluid just don't use an open can, its cheap, get a fresh can.
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A bad seal can allow water into the fuel tank .
Also, check to make sure the drain tube in the filler area is open .
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Hello,
The gasket circled is the good one as everybody pointed. Also do not forget to change the plastic skirt which is not present on the Motobins picture. It will help a lot in preventing water to enter the fuel tank recess. Heat it a bit in hot water to help putting it in it's place.
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My cap seal fell to bits in a similar way to the photo above. One of my O ring kits had a suitable temporary replacement which I fitted with the intentioning of adding the correct seal to my next Motobins order. I never did get around to buying a replacement and the O ring has worked just fine for the best part of 10 years. Should it deteriorate in the future I still have several more in the kit.
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Thanks for all the advice guys, will let you know how I get on! Barry-good shout on the o ring, ill get a couple of these as a back up on the cheap as well.