Servicing a pair of old 2005 f80x. All parts sourced legit and instructions from fox manuals instructed 50nM. Which I did think was excessive but the bolt sheared clear off the dampener at 30nM. Am I FUCKED??
Seems impossible to get hold of these air shafts from 2005, can you switch them out with similar 80mm travel models???
by baileysduke
4 Comments
Not sure what kind of unit nano Mega is supposed to be…
If you mean Newtonmeter that’s spelled Nm.
Are you *sure* you got your units right? 50 N-m is a massive amount amount for such a small fastener. I didn’t go digging for instructions for that year, but newer forks specify 50 in-lb.
See [here](https://www.ridefox.com/fox17/help.php?m=bike&id=622) for the 2016-current instructions. Step 15 is where one tightens these nuts to 50 in-lb, or 5.7 N-m, or roughly 20% of what you got to (before it broke).
(Got a link to those instructions you followed?)
EDIT: I found [these instructions](https://www.ridefox.com/fox_tech_center/owners_manuals/05_32mm_en.pdf) which are for a 2005 F80x. Page 18 step 9 says “*Torque the bottom nut to 50 in-lb.*” Also, I’d call Fox and see if they can help you out. If they can’t, find a used/broken/for-parts fork on eBay.
there is no way that the manual said to tighten that bolt to 50Nm. Those are ususally supposed to be tightened very lightly to 6Nm. Honestly I would replace the whole fork now, other than buying a used fox fork from the same era and swapping the dampers, I don’t know how else would you obtain that part.
The size of the tool should have given it away.😬