Fork seals - 2018 KTM 790 Duke Forum
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post #1 of 32 (permalink) Old 09-17-2018, 04:14 AM Thread Starter
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Fork seals

Had the 790 for a couple of weeks now, but only done 350 miles so far (too many bikes).
After every run I've noticed a slight oil ring mark on the fork stanchions both sides. I wiped it away each time, but it's back after the next run.

Anyone else had any fork oil seal issues?
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post #2 of 32 (permalink) Old 09-17-2018, 07:01 PM
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Not noticed anything, but will keep an eye on them now. I’d get it back to the dealer.
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post #3 of 32 (permalink) Old 09-19-2018, 05:18 AM
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I also have a very slight mark on my stanchions but i thought it was just dust and dirt

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post #4 of 32 (permalink) Old 03-28-2019, 02:46 AM
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So, 6 months later, how’d this work out for you fellas wt the weeping fork seals?

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post #5 of 32 (permalink) Old 05-08-2019, 12:07 AM
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I had a bit of oil on one of my fork tubes - the dealer actually caught it - when asked about it he said its a "wear item" not covered by KTM and pulled out a bulletin to prove it - Don't know about the rest of the world but in the US the KTM warranty covers almost nothing - or, its up to the dealer - just for kicks and giggles read what the warranty covers - you'll be surprised - Fortunatley I've owned a number of KTM's and have never had a warranty claim -
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post #6 of 32 (permalink) Old 05-08-2019, 03:25 AM Thread Starter
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I mentioned it to the dealer at 600 miles, but was told it was normal, and would improve with miles. Still got the same marks now at 1000 miles, so next time I'm there, I mention it again.
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post #7 of 32 (permalink) Old 05-08-2019, 03:28 AM
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Had a similar thing initially. 5000km and no sign of oil leaking now.
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post #8 of 32 (permalink) Old 05-08-2019, 03:41 AM
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Had a similar thing initially. 5000km and no sign of oil leaking now.
Is that because there's no oil in them
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post #9 of 32 (permalink) Old 05-08-2019, 04:00 AM
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Well I hope not....
They still seem to work ok but I will see if I can make them seep again just to make sure.
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post #10 of 32 (permalink) Old 10-10-2019, 04:55 AM
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Fork seals leaking?

Hey folks just done 1000kms on my 790 Duke and have noticed a oil ring mark on the bottom of both forks. Tried wiping but it always comes back.

The dealer suggested it was some excess assembly grease.

Anyone else had experience with leaking forks?
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