Fuel fitting o rings

proflow · May 14, 2018

Okay, so my carb was leaking fuel , so I pulled the phillips screw & easily extracted the brass fitting w/way worn out o rings (3) .
I stopped at the KTM shop locally, no go.
I ordered the kit from fleybay & it got lost in the mail.
I really want to ride this bike !
So beings its fuel im sure a viton or whatnot needs to be used.
Im sure w/all the fuel injection & fuel o rings my Napa would have them.
Just need to know the proper size as im looking for no fuel failure !

Thanks in advance---Proflow

lesjive · May 15, 2018

I had the same problem.
Got the O rings from jetsrus..
Part # 85, you need three of them.
FCR-MX EXPLODED VIEW

proflow · May 17, 2018

K, im going to do the napa viton thing as I dont want to wait any more. I'll bring the fitting & the old o-rings to compair. Im thinking just go a very larger than the existing, grease um up & hope for the best !

husabutt · May 17, 2018

Harbor Freight Tools seems to be everywhere nowadays and has unbelievable prices.

For $10 you can get a whole assortment. Problem with these sets is that the O-rings are usually too thick. You may be able to use a slight undersize and stretch it on.

https://www.harborfreight.com/180-piece-viton-o-ring-kit-67525.html

You can also use HNBR o-rings with gasoline.

https://www.harborfreight.com/205-piece-hnbr-o-ring-kit-67644.html

Sudco usually has everything in stock and ships fast.

http://www.sudco.com/keihin_carburetors_diagrams.html

Taffy · May 18, 2018

I have them in stock.

Taffy

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