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Strada MK5 Fuel tank O ring

Posted: 30 Nov 2025 16:31
by funsize
Evening all

Today I performed (!) the winter laying up process, including filling the tank and adding a fuel stabiliser. When I’d filled up at the station, I was just about to close the non-lockable stainless cap when I noticed what must be a seal, that had come away from the cap and was residing loosely in the tank neck in two pieces. As the bike is now laid up, I carefully positioned it so closing the cap made it a crush fit but clearly it isn’t right and there’s a whiff of fuel, though nothing too bad. Mdina have the cap for sale but not this seal, which I assume is already fitted to it. It’s flat, about 25 min diameter with an inner diameter of maybe 20mm. I’m sure through the winter I can match it up but does anyone think it’s available anywhere? Thanks 😊

Re: Strada MK5 Fuel tank O ring

Posted: 30 Nov 2025 20:46
by 3potjohn
Viton sheet from ebay , think 2mm for my Sport but can check in morning, then cut my own seal.

Re: Strada MK5 Fuel tank O ring

Posted: 04 Dec 2025 13:28
by funsize
Thank you very much I’ll try that!

Re: Strada MK5 Fuel tank O ring

Posted: 04 Dec 2025 21:36
by Vitesse
3potjohn wrote: 30 Nov 2025 20:46 Viton sheet from ebay , think 2mm for my Sport but can check in morning, then cut my own seal.
As there are hundreds of options on ebay, do you have a link to one that you found okay/ good value?

Re: Strada MK5 Fuel tank O ring

Posted: 04 Dec 2025 22:06
by 3potjohn
This should work:on ebay
Camthorn Industrial Supplies
HIGH TEMPERATURE FUEL,CHEMICAL & PETROL RESISTANT VITON RUBBER SHEET 1MM-6MM THK

I would get a couple of options 1.5 and 2mm ( can you measure current thickness?)
I cannot locate my original order- it was a few years ago.