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TECHNICAL MOTOBRICK WRENCHING In Remembrance of Inge K. => The Motobrick Workshop => Topic started by: docrocket on December 13, 2016, 01:11:22 PM

Title: Water getting into fuel tank.. Trouble finding new cap gaskets.
Post by: docrocket on December 13, 2016, 01:11:22 PM

The main gasket in my k100 has failed, and I'm having trouble finding a replacement. They are not available at any of the online dealers that I've checked out.


Anyone know where I'd find one?

Title: Re: Water getting into fuel tank.. Trouble finding new cap gaskets.
Post by: Martin on December 13, 2016, 01:46:27 PM

Moto Bins UK have the filler cap gasket kit.
Regards Martin.

Title: Re: Water getting into fuel tank.. Trouble finding new cap gaskets.
Post by: The Mighty Gryphon on December 13, 2016, 01:50:55 PM

Your friendly BMW stealer won't have that gasket but they will gladly sell you the complete kit for $32.50.

Better hurry because the price will be going up soon.

Title: Re: Water getting into fuel tank.. Trouble finding new cap gaskets.
Post by: Donmystic1 on December 13, 2016, 02:05:43 PM

Max BMW appears to have complete gasket sets . Look at a K100rs model

Title: Re: Water getting into fuel tank.. Trouble finding new cap gaskets.
Post by: docrocket on December 13, 2016, 02:07:53 PM

Guess I'll just buy the whole kit. Thanks for the quick help, guys.

Title: Re: Water getting into fuel tank.. Trouble finding new cap gaskets.
Post by: Donmystic1 on December 13, 2016, 02:10:10 PM

I think that they have the main one as a separate item.

Title: Re: Water getting into fuel tank.. Trouble finding new cap gaskets.
Post by: kris on December 13, 2016, 05:53:20 PM

With the euro so weak against the greenback shouldn't the prices be going down?? :dunno

Title: Re: Water getting into fuel tank.. Trouble finding new cap gaskets.
Post by: Donmystic1 on December 13, 2016, 06:22:05 PM

The gasket (#8 ) is $11.13 at Max BMW. It is not just a flat piece of rubber.


A & S BMW, Beemer boneyard, Countryside BMW in Chicago usually have discounted parts.

Title: Re: Water getting into fuel tank.. Trouble finding new cap gaskets.
Post by: K1300S on December 13, 2016, 06:49:25 PM

If the main gasket failed,  the others are soon to follow.   Get the full kit and replace them all.   

Just what I would do...

Title: Re: Water getting into fuel tank.. Trouble finding new cap gaskets.
Post by: Rcgreaves on December 14, 2016, 12:40:16 AM

I was prowling YouTube just today- searched BMW k75 starter brushes replacement ( my current work) and came across videos by affordable BMW repair in cape cod I think the very origin but knowledgeable dude is Chris Harris.  Anywho one vid highlights R+R on gas caps and reference to his parts source.  PS : he did I nice job of detailing how to clean and lube the lock mechanism

Sent from my A573VC using Tapatalk

Title: Re: Water getting into fuel tank.. Trouble finding new cap gaskets.
Post by: The Mighty Gryphon on December 14, 2016, 10:12:25 AM

Chris works out of a town in New Hampshire.  He's on my list of famous places to visit the enxt time I am in New England.

Title: Re: Water getting into fuel tank.. Trouble finding new cap gaskets.
Post by: Vespa no more on December 19, 2016, 12:39:51 AM

Maybe a temporary cover - blue tack a plastic sheet over the fuel cap (approx the size of a learners magnetic square (obviously the tank is aluminium)).


Silastic perhaps - especially seeing you will be replacing the gasket.


Try motobins UK



GF