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Marzocchi Fork Slider

Posted: Tue Sep 22, 2026 8:41 am
by chbevelbob
Hi
I'm renewing the seals on some 38mm Marzocchis and noticed the following:-
On one slider the seems to be a "hole" on the inside of the casting i.e. where the stanchions go , opposite the brake mountings,
about the level of the mudguard mounts . Not very deep and only on one slider.
Is this standard, ? Any ideas what this could be for ?
Thanks for any info
Best regards
Bob

Re: Marzocchi Fork Slider

Posted: Mon Sep 28, 2026 6:38 pm
by baddean
Bob, could you post a picture of the hole and location.
My 750GT with 38mm Marzocchis has no such hole in either slider.
Based on your description I see no reason for a hole in that location.
If it doesn't go through the slider then no worries.
Dean

Re: Marzocchi Fork Slider

Posted: Tue Sep 29, 2026 2:57 am
by chbevelbob
Hi
Hopefully the upload works :)
Bob

Re: Marzocchi Fork Slider

Posted: Tue Sep 29, 2026 7:33 am
by baddean
Okay, I missed the part where it was "inside" the casting. Obviously I didn't take my sliders off to look at mine.
Can't think of a reason for a hole there though. Its location shouldn't affect the operation of the forks.
Possible casting flaw?